True NKRO over USB, waterproof/dustproof/chatterproof, at least two integrated pointing devices (a TrackPoint in the usual place, and another pointing device of some kind near the arrow keys), 100%+, big-ass enter and 2u backspace (\ belongs on the same row as /; just reduce the size of right shift), copious internal stress relief for the USB cable, full-height case, 1000hz, no aluminum, no domes (not even ones with springs under them).