Please help. i'm trying to upgrade my computer to play games like skyrim but i'm not sure what components are compatible with my computer or what to do. i wanted to upgrade my graphics card to radeon hd 6670 and my power supply to a 450 watt. any help/suggestions would be much appreciated.
AMD Athlon II X2 250
Regor 45nm Technology
4.00 GB Single-Channel DDR3 @ 533MHz
BIOSTAR Group A880GU3
HP w2207 (1680x1050@60Hz)
512MB GeForce 8400GS (PNY)
488GB Western Digital WDC WD5000AAKX-001CA0 (SATA)