People are forggeting how old the 1Ds MkIII is, it's still the last in the Canon lineup to add video.
There are all the new features on the 1D MkIV to add to the 1Ds (bigger sensor, better dynamic range, more AF points, etc..) to make it "fresh", plus any new ones they didn't want to included in the slightly rushed-out 1D MkIV
On top of that, every single 1Ds has been released every 3 years every November, so it's at it's due date now.
Also, don't forget a CR2 is just someone who was right in the past. They could have been right in the past based on luck. Or even the source that the CR2 source is getting this info from got some bad info to pass on.
Bottom line: It's still a RUMOR, hence the site. It would suck if it were true, but i'm still holding my breath for a CR3 or Photokina.