the only real use i get from my jailbroken atv is via XBMC to stream my rips/mkv.
It does stutter a bit on high bit rate stuff using eden.
i dont have use for most of the other apps on it (ie netflix, youtube)
my biggest cons:
I only wish amazon on demand was on it for the kiddos
can you not just either convert your vids or play them through itunes directly?