HP ZR24W 24" H-IPS (H2-Ips) ~400$
1920x1200 max res, 16:10, 5ms (grey to grey), 1000:1 Contrast ratio, 400 cd/m2 Brightness, 178° Angle, Not wide gamut. DVI, VGA, DisplayPort
NEC EA231WMI 23" e-IPS ~350$
1920x1080 max res, 16:9, 14ms (white to black), 270 cd/m2 Brightness, 178° Angle, 0.265 Pixel Pitch. DVI, D-Sub, DisplayPort
Dell Ultrasharp 2209WA 22" e-IPS ~220$
1680x1050 max res, 16:10, 6ms (grey to grey), 1000:1 Contrast Ratio, 300 cd/m2 Brightness, 178° Angle, Not Wide Gamut. DVI-D, VGA, 4 USB Port.
In my opinion, those 3 are the best price/quality monitors you can buy.