I hooked my AppleTV 40GB up to my HD TV. When I put it to streaming and I try to watch a movie, it keeps buffering 'forever' and just won't start. TV Shows and music videos DO start playing though ... (maybe I'm not waiting long enough for a movie to fully load/buffer) When I put it to sync, it just won't sync my movies and tv shows. Music and photos are being synced, but that's not why I bought the device of course. P.S. streaming from my macbook (sig) and movies/tv shows/music videos are on my external 1TB firewire drive. any help please?