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http://www.djtechtools.com/2009/11/19/diy-midifighter-kit_midi-fighter/
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It's a relatively inexpensive controller with what should be a nice feel and a sturdy build.
LEDs next to the buttons means you might run something like monome apps on it, but the 4x4 configuration isn't supported by a lot of software.
It's sort of an Arduinome Jr. Not really a monome replacement, but maybe a good monome accessory... -
http://post.monome.org/comments.php?DiscussionID=6397&page=1#Item_13