Ending today, Green-Sum via eBay offers the Qnix LED Evolution II 27" Glossy 2560x1440 LED-Backlit LCD Monitor, model no. QX2710, for $199 with free shipping. That's tied with our January mention as the lowest total price we've seen. (It's also a current price low by $10.) Features include a 2560x1440 native resolution, LED backlight, built-in speakers, and dual-link DVI inputs.
Note that it's not compatible with laptops and Mac computers.