Dell has shipping their latest 30-inch LCD display (with IPS panel) called the U3011 that has a high resolution of 2560 x 1600 and accurate color display for both gaming and design.
This big 30-inch screen has the refresh rate of 7ms, brightness level at 370 cd/m2, contrast ratio at 1000:1, and dynamic contrast ratio at 100,000:1. The screen boast a 1.07 billion of colors which mean it can display any rich color content with accurate color projection.
Connection-wise, Dell have a pair of HDMI ports, a pair of DVI-D ports, single DisplayPort and VGA input. Dell IPS U3011 LCD also have 4 USB 2.0 ports and a memory card reader. Pretty complete, but you have to pay $1500 to own this Dell U3011 IPS panel.