I have a budget of $250 and I plan on upgrading my motherboard and videocard this weekend.
mobo + ram combo for $119
NCIX Bundle Deal AMD Performance Edition 8GB 2X4GB Memory & Gigabyte 970A-DS3 AMD970 ATX Motherboard - Bundle Deals - 970A-DS3&AP38G1338U2K videocard for $100
EVGA GeForce GTX 550 Ti Fpb 951MHZ 1024MB 4356MHZ GDDR5 2XDVI-I Mini-HDMI PCI-E Video Card - eVGA - 01G-P3-1556-KR
My currnet PC specs:
PSU: Cooler Master RS-500-PCAR-A3
AMD phenom 2 x4 965 BE
Antec Kuhler H2O 620
Gigabyte GA-MA 790x DS4(sata2)
4 gigs of corsair reaper ddr2 ram @1066mhz
BFG Geforce 9600 GT oc @ 675mhz 512MB
boot drive: OCZ agility 3 120 GB
storage: seagate baracuda 500GB