hi, i need to upgrade my graphics card and need some advice. any is welcome. here's my set up CPU: intel i7 950 3.06ghz RAM: 6GB Motherboard: Asus P6X58D Premium Sli ready PSU: 600w Nvidia Geforce GT520 (this was purchased due to a leak from cooling system as a temporary solution) cooling: Coolit vantage looking to spend under £200 i understand that having a cooling system is unnecessary so am open to suggestions of cooling systems that are not water cooled i am also open to any other suggestions Iv'e been looking at the Asus-NVIDIA-GeForce-GTX-560Ti-Graphics-Video-Card-1GB-830MHz-PCI-Express-HDMI i want to be able to play games like the witcher 2, skyrim, SWTOR, Crysis 2 etc. on high spec if possible thanks