try zipzoomfly.com they have always been good to me. i don't know for a fact about LCD prices but look for one with a DVI connection and see if you get below $300 for 19 inch.
zipzoomfly has the viewsonic vx-945 19" LCD for $359.00 and Free Two Day shipping. But by the time they get around to processing your order you'll get it in 7-10 days... lol