Ye i was going to buy a pc Case, Motherboard, GPU,8gbDDR3, and a 460wpsu. but i dint have enuf for a CPU atm here are some of my specs of my current pc hope this helps.
Operating System: Windows 7 Home Premium 64-bit (6.1, Build 7600)
System Model: ET1330/ET1331
BIOS: Default System BIOS
Processor: AMD Athlon(tm) II X2 235e Processor (2 CPUs), ~2.7GHz
Memory: 6144MB RAM
Available OS Memory: 5888MB RAM
Edit: ill probably just move the old Motherboard and all thats with it into the new case, along with a new Gpu, and in a few months get a Motherboard,quad core cpu combo, aswell as some need ddr3ram