Comes down to personal preference:
1920x1080 DVI/Dsub(1080p)
1) Acer G246HLAbd Black 24" 5ms Widescreen @
$130 >>>
http://www.newegg.com/Product/Product.aspx?Item=N82E16824009422
2) HP Smartbuy LV2311 Black 23" 5ms Widescreen @
$120 >>>
http://www.newegg.com/Product/Product.aspx?Item=N82E16824176250
1080p with HDMI
3) Asus VH238H Black 23" Full HD HDMI LED @
$160 >>>
http://www.newegg.com/Product/Product.aspx?Item=N82E16824236117
4) SAMSUNG S22C300H Translucent Red Gradation 21.5" 5ms (GTG) HDMI @
$140 >>> http://www.newegg.com/Product/Product.aspx?Item=N82E16824001796&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=
5) Acer S236HLtmjj 23" 6ms (GTG) HDMI Widescreen LED @
$140 >>>
http://www.newegg.com/Product/Product.aspx?Item=N82E16824009514
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Lower Resolutions with DVI/Dsub
6) Acer G236HLBbd Black 23" 5ms Widescreen @
$110 >>> http://www.newegg.com/Product/Product.aspx?Item=N82E16824009421&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=
7) Acer S220HQLAbd Black 21.5" 5ms LED @
$120 >>> http://www.newegg.com/Product/Product.aspx?Item=N82E16824009316&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=