My Apple TV has been running on 2.0 firmware with a hacked patchstick for sometime now with no problem, until I updated to the latest Itunes and now I cant connect to the ITUNES store. No official confirmation of this but ive seen a number of posts on the forums now.
I wish apple would stop interfearing with my existing collection of AVI's and Xvid files that I dont really want to convert to MP4 so I can sync
with Apple TV. Its probably not a problem with Mac users but as I have come from a PC background and alot of my archives are AVI's and XVid. If apple let me sync these formats with ITUNES there would be no need to patch the Apple TV.