As far as I know graphics cards don't have any moving parts, so they can't make a noise. Or by noisy do you mean video interference?
If you do mean noise, as in sounds, then crack open the case and look at the fans. Remove all the dust that has built up. This might give the card a bit longer life until you make a decision on a replacement.
i have a silent i cube/shuttle desktop pc running;
120 gig hard drive
1 gig of ram
pentium 4 3.2mhz processor
pioneer dvd rw
windows vista ultimate os
and the current graphics card i have installed is a agp (yeah i know its old!) ati radeon 9800 pro 128mb and wanted to know are there any better graphics card i can get to run on my system as ive had this one for a while and its starting to get noisy. not worried about what make but suggestions would be greatfull as i have no idea as what to look for, thanks in advance.