Dell XPS One 27
The Dell XPS One 27's touch-screen 27-in. display has "Wide Quad HD" resolution -- 2560 x 1440 pixels -- which is almost twice the pixels of a standard 1080p display. The screen stand has two hinges, so you can adjust it to a range of angles.
The top-of-the-line model ($2,599.99) is packed with power, including a 3.9GHz Intel Core i7 processor backed by 16GB of memory, a 2TB hard drive and an Nvidia GeForce GT 640M graphics processor with 2GB of graphics memory. Dell also offers models with Core i5 processors, multitouch and no touch, 6GB to 16GB of RAM, 1TB to 2TB of memory, and integrated graphics or separate Nvidia GPU.