I had a bit of fun converting my old Phillips HDR112 Tivo to a PC:
Here's the list of PC parts swapped into this case mod.... all of this stuff, except the PSU, was collecting dust - prime for a project. (The PSU was $30.00 from Newegg.)
CPU: Intel E6700 Core 2
MB: Gigabyte...
Another case of "if the news isn't great, we'll make it great!". She says that the study didn't track what games were played, then she says that violent games are what's causing the issues. - lol... she's a Jack Thompson fan for sure.
Tom's has this awesome breakdown of different "pairings" of cards to get the most bang for the buck for PhysX.... Excellent read. http://www.tomshardware.com/reviews/nvidia-physx-hack-amd-radeon,2764.html