Re: Help on new build
Go I5 or I7. Core2 (LGA775) is getting outdated for gamers and power-users. There are sockets 1156 and 1366. 1156 can use Dual channel RAM, has the QPI (like AMD's HT), and can be I5 or I7. 1366 can use Triple channel RAM, has the QPI and can only be I7 at this point. I'd go for LGA1366 because of Intel's statement they intend to release their hexa-cores on the 1366 platform.
Choose some DDR3 Triple Channel and MAKE SURE it is 1.65v or lower. OCZ makes nice RAM; So does Corsair.
Pick a motherboard that's 1366 (I recommend EVGA's x58 SLI-LE or Asus's P6Tv2)
Nvidia is now in the GT-200 series cards. Mainstream is GTS250 (the G92 GPU) and higher end (single core cards) is the GTX 285. The most bang for buck in the Nvidia region is the GTX 260 Core 216. Evga makes a nice version of that. Of course you could also go with ATi, if you prefer them or would like to give them a shot. Their 5xxx series cards are taking the market over with DX11 and SM4.1
Oh yeah, select an I7 on the 1366 platform. I only recommend the 920 or 975. Any processors in between aren't worth what you pay.
Pick whether you want RAID or not for HDD's. Then proceed to find a (some) Harddrive(s). I use the SeaGate 7200.12 series drives. They are quite nice at a very respectable price.
The PSU really falls under which GPU you pick, so we'll wait on that.
Find a nice case that has some good cooling. The NZXT Tempest looks nice.
RD-PC -//- i7 950 // Evga x58 SLI // 3x2 OCZ PC3-12800 // 2x Evga GTX470 // Corsair HX850 // SilverStone TJ07