The Mark IV!
From:
http://photography-on-the.net/forum/sho … p?t=563508
1Ds Mark IV to be released
February 2009
32 Megapixel FF sensor
Dual Digic IV processors
ISO from 50 – 12800 + H1(25600) + H2(51200)
5.5 FPS
60 JPG Continuous Shooting
19 Raw Continuous Shooting
slightly larger AF area compared to the Mk III
920,000 pixel LCD screen
Something about a fuel cell too.