Any PC gurus? Need advice on what gfx card to buy?

Thanks man - I *might* go for this as I have a max limit of £200 to spend:

XFX NVidia Geforce FX 5900XT 128MB DDR 8x/4x AGP TV-Out DVI Retail Box
www.ebuyer.com/customer/products/index.html?action=c2hvd19wcm9kdWN0X3Jldmlld3M=&product_uid=58644

Not sure yet, but I gotta get one soon

Kaz