Amazon offers Dell’s 21:9 34-inch 3440×1440 Curved LED-Lit Monitor with built-in dual 9 watt speakers (model U3415W) for $599.99 with free shipping. That’s about $100 less than its regular price and $200 better than buying direct from Dell. The same deal is also available at Staples. This panoramic monitor is ideal for productivity thanks to its massive size and the ability to display applications from 2 PCs at the same time. Hundreds of Amazon reviewers rate it 4.6 out of 5 stars.