1DS Mark 3 anyone?

Cannot confirm, but here are the specs.

Product Features
21.1-megapixel full-frame CMOS sensor
Large 3.0-inch LCD display with Live View and seven brightness settings
5 fps at shutter speeds 1/500 second or faster (for bursts of up to 45 Large/Fine JPEGs or 15 RAW images)
sRAW mode; 35-zone metering system; 45-point AF; integrated Self-Cleaning Sensor Unit
Powered by LP-E4 lithium-ion battery pack; stores images on CF, SD, or some SDHC memory cards

Technical Details

Effective resolution: Approximately 21.1 million pixels (total pixels: approximately 21.9 million)

Recording pixels: 5616 x 3744

Sensor type: Full-frame CMOS sensor, with primary R-G-B filtration (28 x 18.7 millimeters)

Pixel size: 6.4 microns square

Lens focal length factor: None (1x)

Imaging processor: Dual DIGIC III image processors

Maximum frames per second: 5 frames per second (fps) at shutter speeds 1/500 second or faster, in all recording modes

Drive modes: Single; silent (single-frame); high-speed continuous (5 fps; adjustable 5 to 2 fps); low-speed continuous (3 fps; adjustable 4 to 1 fps)

Maximum number of frames / burst: JPEG: 45 (full-resolution, Level-8 fine compression); RAW: 15; RAW plus JPEG: TBA

Flash sync speed: Up to 1/250, with EX-series Speedlites

Shutter "lag" time: Approximately 55 milliseconds (from half-way to fully depressing shutter button)

Start-up time: 0.15 seconds

Image type: JPEG, RAW (14 bit); improved A/D conversion to 14-bit processing for 16,384 individual tones

Highlight tone priority: Improve tonal range in highlight areas by approximately 1 stop (C.Fn II-2)

Noise reduction: Long exposures 1 second and longer (C.Fn II-1); high-speed ISO images (C.Fn II-2)

Storage media: Compatible with two card slots and external storage media; CompactFlash (Type I or II, including MicroDrives); SD card slot (SDHC-compatible for 2GB higher SD cards); USB external hard drives (requires optional WFT-E2A wireless transmitter)

Recording options: Multiple media recording options: record to only one memory card; record the same image to both SD and CF card; record RAW image to a CF card and JPEG image to a SD card

New additional features: Files can be automatically written to another media if card beomes full; select different image sizes and save to different media (example: different JPEG sizes); record same image using all three media options, including external hard drive; copy files manually from one card to another, or to connected USB hard drive

Image format options: JPEG (compression adjustable in 10 steps on menu); RAW ("CR2" RAW file format); RAW + JPEG (selectable on rear LCD panel); sRAW ("CR2" small RAW file format; 1 /4 file size of full-resolution RAW, approximately 5.2 megapixels)
Resolution options: Large: 5616 x 3744 (approximately 21.0 million pixels); "Medium 1": 4992 x 3328 (approximately 16.6 million pixels); "Medium 2": 4080 x 2720 (approximately 11.0 million pixels); "Small": 2784 x 1856 (approximately 5.2 million pixels); "RAW": 5616 x 3744 (approximately 21.0 million pixels); "sRAW": 2784 x 1856 (approximately 5.2 million pixels)

Data recording format: DCF 2.0 and EXIF 2.21; EXIF 2.21--applies "Adobe 1998 RGB" color space tag to images

Sound recording: Maximum 30 seconds per sound clip (more than one clip can be assigned to each image)

Folder settings: Create new folder and select on memory card

3-part approach to dust reduction: EOS Integrated Cleaning System; self-cleaning sensor unit--low pass filter in front of the sensor vibrates at a very high frequency for about four seconds to "shake" off loose dust and dirt; occurs on start-up and shut down--can also be activated by user or totally disabled; Dust Delete Data: a test shot is taken and any dust spots are "mapped" and added to each image's text data; automatic removal possible in Canon DPP software; manual: user can lock up mirror to blow off any dust or have service technician wipe sensor clean

LCD monitor: 3.0-inch (diagonal) TFT color; approximately 100% coverage; approximately 230,000 pixels

Playback options: Single image; single image with info and histogram; 4-index or 9-index image; magnified zoom display

Live View type: Electronic viewing of scene, directly off imaging sensor, on LCD monitor

Coverage: Approximately 100%

Metering: Real-time evaluative metering (off CMOS imaging sensor)

Grid display: Two vertical and two horizontal lines; can be turned on or off by user

Aspect ratio: Masking for 6:6, 3:4, 4:5, 6:7, 10:12, and 5:7

PC live view: Enabled using EOS Utility (v.2.0) (use computer monitor as viewfinder)

Shutter speed range: 30 seconds to 1/8000, plus bulb (1/3, 1/2, or full-stop increments when user-set)

Maximum flash sync speed: 1/250 second

Anticipated shutter durability: 300,000 exposures

ISO range: 100 to 1600, in 1/3-stop increments; ISO 50 and 3200 can be added via ISO extension on menu; new ISO safety shift (camera shifts ISO in Tv or Av mode if needed to preserve exposure)

Exposure modes: Manual, Aperture-priority, Shutter-priority, Program, Bulb

Metering: 63-zone metering linked to 19 AF points; Evaluative metering (63-zone, linked to active AF point); Center-weighted metering; Partial metering (approximately 8.5% of the picture area); Spot metering (approximately 2.4% of the picture area);

Options: Center only; linked to any of 19 AF points; and Multi-spot metering up to 8 readings

Metering range: EV 0 to 20 (all patterns; at normal temperatures)

Exposure compensation: Possible in any Auto exposure mode; up to +/- 3 stops, in 1/3-stop increments

Exposure bracketing: 2, 3, 5, or 7 shots (selectable with C.Fn I-6); up to +/- 3 stops, in 1/3-stop increments; Standard Auto bracketing, via aperture and/or shutter speed

Compatible flashes: Canon EX-series Speedlites (TTL flash not possible with non-EX speedlites)

E-TTL II: 63-zone metering with EX-series speedlites; evaluative E-TTL flash metering (can be averaged over all 63 metering zones); distance information now used from compatible Canon EF lenses for flash calculations

Flash metered manual: Possible with flash in Manual mode, via FEL button

Flash exposure lock: 2.4% Spot metering of pre-flash illumination

Flash exposure compensation: Possible on body for certain speedlites (up to +/- 3 stops, in 1/3-stop increments)

Flash exposure bracketing: Possible with 580EX II, 580EX, 550EX, MR-14EX, and MT-24EX (set on Speedlite)

Hi-speed flash speed: Possible with EX-series Speedlites, up to 1/8000 second , normal maximum x-sync is 1/300

PC socket: Standard; sync line voltages up to 250v are OK through PC socket or hot shoe

Number of AF points: 45 (inside of ellipse area of focus screen); 19 high-precision cross-type points (require f2.8 or faster lens for cross-type coverage); 26 assists points (require f5.6 or faster lens)

Number of cross-type points: 19 points--any of these can be user-selected with manual AF point selection (high-precision type points; require a f2.8 or faster lens; center point requires f4 or faster)

Focus modes: One-Shot AF (for stationary subjects); AI Servo AF (for tracking moving subjects)

Manual AF point selection: 19 AF points ( default); inner 9 AF points (via C.Fn III 9-1); outer 9 AF points ( via C.Fn III 9-2)

Automatic AF point selection: Possible in both One-shot and AI Servo AF modes

AF On button: AF button on rear of body executes AF and metering; AE Lock button can switch functions with AF On button via C.Fn IV-2-1

Viewfinder coverage: 100%, vertically and horizontally

Eyepoint: 20 millimeters

Magnification: 0.75x

Focusing screen: Ec-C IV (new standard focusing screen); interchangeable with Ec-series screens from all previous EOS-1 series cameras

Diopter: -3 to +1.0 (user-adjustable); further adjustment possible with Eg series diopter lenses

Mirror lock-up: Possible via C.Fn III-14; new: option to have mirror remain up for multiple pictures, until SET button is pressed

Eyepiece shutter: Built-in; activated by lever to right of eyepiece

White Balance modes: Auto (WB is read off of CMOS imaging sensor only); Pre-set (Daylight, Shade, Cloudy Tungsten, Fluorescent,
Flash); Custom (reading taken off 18% gray card or white object; up to 5 custom readings can be stored); Color Temperature (range 2500k to 10,000k; 100k increments); Personal WB settings--PC-1 to PC-5 (up to five, created in computer and uploaded into camera)

White Balance compensation: Alter white balance in amber-blue direction, and/or magenta-green direction +/- 9 levels

White Balance bracketing: Alter White Balance in amber-blue direction or magenta-green direction, up to 15 mireds

Picture Style: Allows user to easily adjust the "look" of JPEG images, or RAW files processed with Canon software; six presets:
Standard, Portrait, Landscape, Neutral, Monochrome, Faithful; adjustable settings: Sharpening, Contrast, Color Saturation, and Color Tone

Digital terminal: USB 2.0 Hi-speed (Type B port)

Video output terminal: NTSC/PAL

System extension terminal: 15-pin terminal (connects new wireless file transmitter WFT-E2A)

Remote control terminal: N3-type terminal

Custom functions: 57 Custom Functions (personal functions built into Custom Functions)

My Menu: Up to six menu settings can be stored separately for quick access

Battery: Lightweight LP-E4 lithium-ion battery pack

Battery information: Current power source in use (battery, AC adapter, etc.); remaining capacity (displayed in 1% increments, on camera's LCD monitor); current shutter count on this battery charge; recharge performance (displays when battery should be discarded; 3 levels)

Main switch: Three settings: Off, On, and On with Quick Control Dial active

Camera body exterior material: Magnesium alloy

Chassis material: Magnesium alloy, including mirror box

Operating temperature range: 32 degrees to 113 degrees F (0 degrees to 45 degrees C); 85% or lower relative humidity

Dimensions (W x H x D): 6.1 x 6.2 x 3.1 inches (156 x 160 x 80 millimeters)

Weight (without battery or CF card): 41.3 ounces (1205 grams)