Newegg offers the LG 34" 21:9 UltraWide IPS LED-Backlit LCD Monitor, model no. 34UB67-B, for $399.99 with free shipping, via the directions below. That's the lowest total price we could find by $131. It features a 2560x1080 (1080p) native resolution, LED backlight, IPS panel, 21:9 aspect ratio, stereo speakers, DisplayPort, two HDMI ports, and DVI. Rebate expires September 3. To get this deal:

1. Add the LG 34" 21:9 UltraWide IPS LED LCD Display to your cart for $499.99
2. apply coupon code "EMCAWNW72" to cut it to $449.99
3. redeem this $50 mail-in rebate for a final price of $399.99