[Aaron_8015]

Silverstone is a good PSU manufacture so it should still be good....

Mobo
Newegg.com - GIGABYTE GA-MA790X-UD4P AM3/AM2+/AM2 AMD 790X ATX AMD Motherboard - AMD Motherboards
$109.99

CPU
Newegg.com - AMD Phenom II X3 720 2.8GHz 3 x 512KB L2 Cache 6MB L3 Cache Socket AM3 95W Triple-Core Black Processor - Processors - Desktops
$139.00 Free shipping

Memory
Newegg.com - G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory Model F2-8500CL5D-4GBPK - Desktop Memory
$49.99 Free shipping

$298.98

Leaving enough for a gpu upgrade or case.... mabye even newer hdd.

That will be a mobo, cpu and hdd upgrade. You can use PSU, HDD's, DVD drive etc..... from the old rig.

The mobo supports sockett am2, am2+ and am3 so you can throw in a newer cpu if you wish.