Newegg has the LG29UM67P on sale for $230 (no codes or rebates) through 8/22. According to SlickDeals, if you use Visa Checkout and promo code VCOGOLD16 it brings the total to $215. Visa checkout promo expires 8/21.
I've been watching this monitor for a while and the lowest I've seen it for previously was $250, and $280 was a more typical sale price.
Important info:
21:9 aspect ratio, so it would be roughly the same height as a 24" monitor and just a smidge wider than a 27" 16:9
2560x1080 resolution = 95.8dpi (by comparison 24" 1080p is 91dpi)
IPS panel (assuming 6-bit)
40-75Hz FreeSync range.
99% sRGB color space reproduction