Via Make:blog today, a Nintendo DS synth/sequencer, from Korg:
Also, coming out this summer, Guitar Grip, for Guitar Hero on Tour! Linked from engadget:
For those of you out there wondering the release of DS-10 other than Japan, well, here's a good news. YES, we will release DS-10 worlwide and currently we're making an adjustment with each territory. So please be patient. Your support means a lot to us and we'll keep you all with the latest update of the international release as soon as possible.
As you can see [on the left], it is limited to just four buttons, but nevertheless, it allows users to hold the DS upright and tap the buttons of the peripheral -- which is suitably fitted into the GBA slot -- and strum the touchscreen to take care of the pickin'.Check out the youtube video.