Hello all, I have £400 (GBP) to spend on a graphics card and found that I'm stuck between: XFX GeForce 7900 GTX 512MB GDDR3 VIVO TV-Out/Dual DVI (PCI-Express) And ATI Radeon X1900XTX 512Mb DVI + DVI + VIVO PCI-E ---------------------------------------- I'm a gamer, so I want my graphics card to affe...