Just going to throw this into the mix, it's 27", 1920x1080 IPS and Dell - http://goo.gl/zQe6S
Yes I know it's not a Ultrasharp, but I also have a 3008WFP 30 Inch dell UltraSharp and recently got that 27" above to make my primary for gaming, because running games at 2560x1600 was costing me too much money in upgrades all the time, currently running 2x GTX680's to push that type of framerate at full details.
Honestly, for $249.. you could get (2) of them at $500 and I bet you would be happy with the screen real estate. Also I have 0 complaints when comparing the image to the 3008WFP, the only down side that some people may be turned off by is that it has edge to edge glass, so it is reflective. However I never see the reflectiveness unless the screen is totally back or the monitor is off. When an image is displayed, the IPS panel contrast/brightness over shadows any type of reflection.