I started in an open room, it hung. I do currently have in an entertainment cabinet but have noticed the system does run hot.
The point it hangs is after navigating to the game, I select the game to play, it echo's playstation 3 on the screen then blanks and stays that way. I have noticed when watching the hard drive activity light that it never comes on when it hangs, but obviously flickers when all is working well.
I'll give Sony a ring... Thanks.