I would go with the ASUS VG248QE, it has a ton of features without being too expensive and it has a lot of reviews if you want to check it out.
http://www.newegg.com/Product/Product.aspx?Item=N82E16824236313&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-PCPartPicker,%20LLC-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=