Play your MIDI instrument straight into GarageBand or other MIDI-capable apps, or download MIDI Controller apps to use the MIDI out port and your touchscreen in performance, as a MIDI controller.

ENGADGET: Griffin's MIDIConnect now available at $80 to make beautiful music with your iDevice (video)

Below the gun's leg hides a USB port for updating the onboard micro-controller.

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The only other change we spotted (outside of the power port being flipped from horizontal to vertical) is the lack of GameCube controller ports up top.

ENGADGET: Nintendo Wii U vs. Nintendo Wii: fight!

Both versions include a wireless controller, a Blu-ray high-quality video player and a port so they can work with a high-definition display.

BBC: NEWS | Technology | PlayStation 3 hits 'grey market'