Simple decision. Get this monitor. Been using it for a while now, and am very happy.
Hanns·G HG-281DPB Black 28" 3ms Widescreen LCD HDMIhttp://www.newegg.com/Product/Product.aspx?Item=N82E16824254026
You might think its an unheard of brand, but with over 1400 reveiws on newegg, it has a rating of 5 eggs. I, personally, have been using it for about 3 months now withut any troubles. its also the recipient of 6 customer choice awards at newegg.
28" is huge, it supports HD with a native resolution of 1920x1200 and an impressive response time of 3ms
PS - incl. free shipping. Its only $9 above your budget.