Frank Bauer, creator of Kelxi, yesterday released details of what he calls a 'Tech-Demo' that allows a new 2G Apple TV to connect to Plex Media Server. Its very earlier days and its far from a one click install, but this is great news for anyone wanting to roll out multiple zones around the house feeding from their central Plex library. Last night iphoneblogr.com released this video tutorial on how to install the proof-of-concept. Also checkout the video below on how to jailbreak your Apple TV and the original forum post from Frank too...
How to install Plex on Apple TV 2G - Video Tutorial