I have a good Antec Mid-tower case swapping out my old MB. I looking for the best bang for my buck. Let me know what you think of the upgrades. I have a 400gig SATA2 Seagate HD and Windows 7 Ultimate.

SAPPHIRE 100279-1GL Radeon HD 4870 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Retail $164.99

G.SKILL 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Dual Channel Kit Desktop Memory Model F3-12800CL9D-4GBNQ $89.99

Sony Optiarc Black IDE DVD-ROM Drive Model DDU1678A $18.99

ARCTIC COOLING Freezer 64 Pro 92mm CPU Cooler $38.98
Arctic Silver 5 Thermal Compound

AMD Phenom II X4 945 3.0GHz Socket AM3 125W Quad-Core Processor
Item #: N82E16819103675 (Combo price MOBO/CPU $255.98

ASUS M4A79XTD EVO AM3 AMD 790X ATX AMD Motherboard

Grand Total: $564.93

Let me know what you think.