1D Mark IIIn in 2008? Nope
There's a few rumors about a new 1D Mark III, don't believe them! Canon won't be touching the model until 2009 at the earliest. After speaking with some people at Canon, none of them really have a desire to explain why the camera needed an “n” version, which makes sense. Admitting some kind of defeat would only worsen the PR related to the camera.
Am I a bit biased since I just got one and don't want to see it replaced? YES! Seriously though, the camera kicks butt. It even AF's in AI Servo!