Korg Keystsage
Korg's Keystage is the world's first MIDI 2.0 keyboard controller, that supports polyphonic aftertouch, audio out and official integration with Ableton Live, and comes in either 49-keys or 61-keys variants. The main display is a PMOLED, and there are also 8 smaller white PMOLEDs as sub displays.
THe Keystage will ship soon for around $600 (49-key version) and $730 (61-keys model).