Newegg offers the Dell UltraSharp U3417W 34.1" 21:9 Curved LED-Backlit LCD Monitor for $599.99 with free shipping. That's $179 under our August mention (although that included a $200 Dell gift card) and tied as the best outright price we've seen for this model. (It's the best deal today by $105.) Deal ends October 30. Features include:

3440x1440 21:9 native resolution

dual 9-watt speakers

4-port USB 3.0 hub

DisplayPort, mini DisplayPort, and HDMI inputs

height-, tilt-, and swivel-adjustable stand

Update: The price has increased to $619.99. Apply coupon code "EMCEPRY26" to drop it to $599.99.