B&H Photo Video offers the Dell U3419W UltraSharp 34" 1440p 21:9 Curved LED-Backlit LCD Monitor for $849.99 with free shipping. That's $50 under last week's mention and the lowest price we could find today by $5. Features include:

3440x1440 native resolution

dual 9-watt speakers

4-port USB 3.0 hub

DisplayPort, HDMI, and USB Type-C ports