Xbox Infinity? That sounds better than 720. I'd be ok with that name.
For $99 I'd probably just go ahead and buy another one if mine dies. That's basically the price of a brand new game here anyway.
I blame pilot error.
A console is just a PC with most of the non-gaming bits stripped out.
i7 3770 Ivy Bridge 3.4 GHZ
8 GB DDR3 RAM
NVIDIA 680 2GB
HAF X Full ATX Tower
Win 7 64 Home Premium