Best Buy offers the LG 29" 21:9 IPS UltraWide LED-Backlit LCD Monitor, model no. 29UM58, for $199.99. Checkout with Visa Checkout to drop that to $174.99. With free shipping, that's $5 under yesterday's mention and the lowest total price we've seen. (It's the best deal now by $185.) It features a 2560x1080 21:9 native resolution, LED backlight, and two HDMI inputs.
Note: The Visa Checkout offer can only be used once per account.