It's also known as EOS. No idea about the D designation.
Specs are:
Product Features
12.2-megapixel CMOS sensor captures enough detail for poster-size, photo-quality prints
Large 3.0-inch LCD display; includes Canon's EF-S 18-55mm, f3.5-5.6 IS zoom lens
DIGIC III image processor provides fast, accurate image processing; improved Autofocus and framing rate
EOS Integrated Cleaning system, plus Dust Delete Data Detection in included software
Stores images on SD/SDHC memory cards (not included)
Technical Details
Sensor: 12.2 Megapixel
Image Resolution: 4272 x 2848
Storage Media: SD/SDHC Memory Card
Compressed Format: JPEG
Compressed Format: RAW
Focus Mode: Manual focus
Focus Mode: One-shot AF
Focus Mode: AI Focus AF
Focus Mode: AI Servo AF
Focusing Range: EV -0.5-18 (at 73°F/23°C, ISO 100)
LCD Monitor: 3.0-inches
LCD Pixels: 230,000 pixels
LCD Coverage: 100%
Shutter Speed: 1/4000 sec. to 1/60 sec.
Shutter Speed: X-sync at 1/200 sec.
Light Metering Method: Evaluative
Light Metering Method: Partial metering
More specs from Canon's site
http://www.usa.canon.com/consumer/co...ModelDetailAct