thx i am just gonna buy a new card and a new psu and later buy a quad core 2.8Ghz +
so ya thx for all the help

so i can use and asus oc tool set the fan speed faster @ dif temps and oc the 550-650?

the card i want to get
Asus EAH5770 CuCore/2DI/1GD5 graphics card

- Exclusive Voltage Tweak Technology to increase extra performance!
- Exclusive 5.8oz Copper Rod (CuCore) Cooler

Specifications
Graphics Engine
ATI Radeon HD 5770
Bus Standard
PCI Express 2.1
Video Memory
GDDR5 1G
Engine Clock
850 MHz
Memory Clock
4.8 GHz ( 1.2 GHz DDR5 )
RAMDAC
400MHz
Memory Interface
128-bit
CRT Max Resolution
2048 x 1536
DVI Max Resolution
2560 x 1600
D-Sub Output
Yes x 1
DVI Output
Yes x 2 (via HDMI to DVI adaptor x 1 )
HDMI Output
Yes x 1
HDCP Support
Yes
Adapter/Cable Bundled
1 x CrossFire cable
1 x Power cable
Software Bundled
ASUS Utilities & Driver
ASUS Features
CuCore Series
Note
The card size is 9 inches x 5 inches