$690 entry-level gaming PC

AMD Phenom ll X3 750 – three cores of 2.8GHz overclocked to 3.6GHz (X4 recommended)MSI DKA790GX motherboard – DDR2Kingston HyperX 4GB RAM (DDR2/800) Get 64-bit OS to use all 4GB or more!HIS Radeon 4870 GPU 512MBWestern Digital Cavair 500 Black
Samsung SH-S223F DVD reader/burner with LightScribe
Rosewill RP550Vs-S-SL PSUAntec 900 caseOverall: You can play games like Crysis @ 32 frames per second and up; this is something that is very minimum if you want to do some gaming. This is very good for under $700. It is surely better than my PC. For something like that from a retail store would be at least $800. Hopefully, you know (or know someone) how to built it together!Sorry about the pictures, this is t he first time I used the Photo thingy. BB Codes...

I would not touch a rosewill power supply.