New LCD monitor: Size for a 320mb GTS?

Hey all,

I'm looking at getting a new monitor after Christmas sometime, but I'm undecided on what size to get. I'm looking anywhere between a 19" Widescreen to a 22" widescreen. Does anyone have any suggestions? I'm currently running on a 17" LCD at 1280x1024, and I'm ready for something a little bigger/nicer with widescreen support. My system, although not top of the line, handles games fairly well.. I can run everything I throw at it, including Crysis on High with around 25fps. Here's the rest of my specs...

AMD Athlon 64 X2 3800+ (OCed to 2.4ghz)

2 gigs of PC3200 DDR (2.5,3,3,7 atm)

EVGA 8800 GTS SC 320mb

Windows XP Pro

WD Cavier 320gig 7200RPM 16MB

Any help/info would be greatly appreciated! Thanks for your time! :)