I would agree,
It seems you get a good 15-30minutes of play back then you get a buffering in the middle of the screen, pressing back to menu and clicking play to resume will carry on for another 20-30minutes.
- Come on the xbox should be the forefront of streaming media in the living room. Due to spec of console, the fact it outputs at 4k, accepts any audio codec you through at it and so on.
