This deal has ended.
Through 6/17, Dell Small Business has a promotion for Buy Two Monitors, Get One Free. This works on select monitors including the 22" Dell G2210 LED Monitor (three for $477.99), the 17" Dell E1709W LCD Monitor (three for $257.99]], and the 16" Dell E1609W LCD Monitor (three for $218). Just add one to your cart and when you get to the first stage of checkout update your total to three units instead of one. Shipping is free with sales tax charged in most states.