Re: Upgrading graphics card.
Well the other thing you can do with those 800 euros is simply build a desktop, if your primary thing is gaming, you would be better off with it anyways.
Gaming PC Build:
NZXT Phantom | Intel i5-3570k 3.4Ghz | Asus P8Z77-V | CoolerMaster V6 GT | Ripjaws
8GB 1600mhz | EVGA GTX 670 FTW 2GB | Corsair HX750 Watt |SB 1.5TBHDD
7200 RPM+WD 500GB 7200RPM | OCZ Vetex 3 120GB SSD | Lite-On 24x Reader/Writer/Burner Drive |
Razer Naga MMO Gaming Mouse | Razer Lycosa Gaming Mouse | Logitech G930 Gaming Headset