This deal has ended.
Buy.com now has this ViewSonic 20" Widescreen LCD Monitor for $199.95 after a $30 mail-in rebate valid through 4/29, matching the lowest price to-date. Shipping is free and there is no sales tax (except CA, MA, MD, TN). This has 1680 x 1050 resolution, 5ms response time and intregrated speakers. Also of note: new customers can use this $15 off $200 coupon and new Google Checkout users can get a $10 off discount for signing up (but you can't get both).