so i totally stole this post from music thing... but this is amazing(ly nerdy?).
"This looks fantastic: An official, Korg-sanctioned Japan-only MS-10 for the Nintendo DS. It has two synth engines, a drum machine, and a 6-track XOX sequencer, complete with little draggable patch cables. No sign of MIDI in, but you can link several systems wirelessly to play together."