Specifications:

8.3mp 2160×3840 Super-35 CMOS sensor (4K resolution)
DIGIC DVIII Processor
Canon XF Codec
Dual Compact Flash Slots
Exposure and focus are both manual only
Uses existing BP-955 and BP-975 batteries
Sold as a system, including LCD monitor / XLR audio unit, side grip, and top handle.
Availability: Jan. 2012; Price: appx. $16,000 USD

New Lenses (PL & EF Versions):

Canon Zoom Lens CN-E14.5-60mm T2.6 L S
Canon Zoom Lens CN-E14.5-60mm T2.6 L SP
Canon Zoom Lens CN-E30-300mm T2.95-3.7 L S
Canon Zoom Lens CN-E30-300mm T2.95-3.7 L SP

Three New Primes for EF Mount Only:

Canon Prime Lens CTZ-029 (24mm)
Canon Prime Lens CTZ-030 (50mm)
Canon Prime Lens CTZ-031 (85mm)
For complete coverage of the event go to Canonrumors.com and Engadget.com