Video Card GTX

[123hi]

Hello, i'm building a pc can anybody give me any tips on this build. Should i go with GTX 560 1gb or 2gb. Or GTX 570?

- INTEL Core i7 DESKTOP COMPUTER PC 8GB
- MotherBoard P67
- CPU Tower Cooler
- CPU 2600K
- 1x Video Card Upgrade GTX 560 1GB
- 120GB SSD
- Power Supply 750W
- 2TB HDD

 

[GreenDutchAlien]

If you have the money the 570 obviously . . . Or do you have a 560 allready ?