I have a Dell G2210 22" monitor with 1650x1080 resolution.
Now the equivalent one on the market is P2210
http://www.theitdepot.com/details-Dell+Professional+22inch+Widescreen+Flat+Panel+LCD+Monitor+(P2210)_C7P10213.html
If you use it more for entertainment, go for a 16:9 monitor.
Since I work more, I always prefer 16:10.