Nintendo DSi + Korg DS-10 + Formant Synthesis come together to on Denkitribe's fan version of Daft Punk's Harder, Better, Faster, Stronger.
Formant synthesis uses resonance, at specific frequencies, to shape sounds. The most common application of this is vocal synthesis, as shown here.
Seamless audio and MIDI switchover between computers
Emulate multiple mics, change proxmity and axis on the fly with UA Hardware