Those massively wide 21:9 LG UltraWide monitors are available with instant rebates up to $150 off. You can get a 29″ UltraWide for $299 or a 34″ UltraWide for $499. Traditional 16:9 monitors from LG are also on sale. All of these are IPS monitors. Check them out here at B&H Photo.
Note: This is labeled as a gray market item and, therefore, won’t include a US warranty card. At the time of this post, ebay seller GetItDigital has a positive feedback rating of 99.7% and offers its own 1-year warranty with the camera.