I hope this post is not actually true:
http://forums.dpreview.com/forums/re...ssage=42549303
A Canon tech saying 6D ISO performance will be same as 5D2.
That would give very little/no reason to upgrade from 5D2 to 6D,
perhaps even a step backwards except for the low light performance of the cental cross type focal point. It may mean you could autofocus off a bright star??
Greg.