Kakorott, I just checked the link you posted and I can't find gfx cards at all. I even tried searching for 'geforce' and all I got was a list of coolers, lol.
Mr Miyagi, if you want to get a decent British online source for stuff then try
www.dabs.com. It's not too bad and the prices are ok. You could pick up a geforce2 mmx type card for about £50 or so.