The rumor is that the Canon EOS 1D Mark V will be announced tomorrow to coincide with Canon’s 50th SLR anniversary. Some unconfirmed specs include: 16 Megapixel APS-H sensor, 12fps burst, 1080p 24,25,30,60fps video and 19 auto-focus points.
They skipped the IV model due to the Japanese viewing it as an unlucky number. The Mark V is unofficially predicted to cost roughly $5,000 and would ship by late November.