The Samsung 24" have worked well for me. I have two 245BW(1920 x 1200) and an Acer 27" (2048 x 1152) in the middle. I would buy more 27" if I were buying now, but they weren't around when I got the Samsungs.
http://www.newegg.com/Product/Produ...4009165&cm_re=acer_27"-_-24-009-165-_-Product
http://www.newegg.com/Product/Produ...4009165&cm_re=acer_27"-_-24-009-165-_-Product