What is the difference between these cards? I was leaning towards the xfx gtx+ because of the lower price but what should i got for the best performance? thanks
				
			My Computer
System One
- 
                
				 
	
			
				- Manufacturer/Model
- *Modified*Dell Inspiron 531s
 - CPU
- AMD Athlon 64 X2 2.3GHz
 - Motherboard
- Dell RY206 0RY206
 - Memory
- 4GB Corsair XMS2 PC2-6400 DDR2
 - Graphics card(s)
- XFX GeForce GTS 250
 - Sound Card
- Creative X-Fi XtremeGamer 5.1 Surround Sound
 - Monitor(s) Displays
- Dell SE198WFP 19-inch Widescreen Flat-panel LCD
 - Screen Resolution
- 1440x900
 - Hard Drives
- Seagate Barracuda 320GB 7200RPM
 - PSU
- LOGISYS 575W SLI Ready ATX12V
 - Case
- Cooler Master CM 690
 - Cooling
- 2 120mm, 4 vents optional fans
 - Mouse
- Microsoft Wireless Notebook Mouse 3000
 - Keyboard
- Dell Stock
 - Internet Speed
- 20 MB/s Down...2 MB/s Up
 
 
	 
 
		 
 
		 
 
		 SK
SK 
  
 
		