JazzMutant's Lemur is clearly the most enhanced and innovative controller device ever created for musicians, sound designers and sound engineers, composers, video and multi-media artists, djs and show control operators. Innovative concept, unique and pioneering multitouch sensor technology, multi target networking plus high performance value combined with ease of use are some but few features that place this next-generation controller in a league of its own.
This is definately the year for ultra cool midi interfaces. This one is a completely user programmable touch screen that can pretty much do whatever you imagine. Lots of videos in Youtube of it's operation.
For a third of the price you can also buy the Tenori-on, which is a less configurable but still very cool interface.
Matrixes of LED buttons cover the front and back surfaces and light up as you touch them, so you can visualize the music while you're composing.