So my brother has a laptop that's showing it's age. It has a 9800M GTS and an Intel Core 2 Duo P8700 (3M Cache, 2.53 GHz, 1066 MHz FSB). I have some spare parts around that I plan on using to build him a desktop that will allow him to play games at more than low settings at 10-20fps like he has been getting on newer stuff. I plan on giving him one of the two GTX 560 Ti's from my system until he can afford his own graphics card. All I really need is a Mobo+CPU to put in this little build on the cheap. I was thinking the Intel Pentium G630 Sandy Bridge and a cheap H61 Mobo like the ASRock H61M-DGS (Total: $112.98 on Newegg).
Do you guys think that this will be a considerable boost in performance from his laptop? I know the graphics card will be a huge jump but I'm not sure if the CPU will be too much of a bottleneck for it. Never dealt with a Micro ATX board either. Will it be big enough for the 560 Ti?
Oh, and as a last thought, I have a buddy that is willing to sell his ATI Radeon HD 5770 for $50. Is this a good price and would it be a good enough upgrade for my brother so that I can justify not giving up my second 560 Ti? Also, he will be using a 1366x768 resolution display if that makes any difference to your opinions. Thanks for the help!