The fellas over at ACPAD.com have painstakingly researched, developed, and manufactured a masterpiece. The ACPAD is a wireless MIDI controller for acoustic guitar. I suppose you could slap it on an electric too, but it do what it do.
The ACPAD is slick. Do you want to play back up chords while you rip out lead melodies? Choose any flavor of an orchestra, or throw in a mixture such as a synthesizer and a set of drums. The possibilities are truly endless and can open a whole new realm of awesomeness (and another decade of practice). Check out this guy make some dubstep style hybrid song with this bad boy.
Check out some of these details:
That's the shizz. Now it's time to break your heart. I know you had your wallet out and ready to press "go," however it's not even available yet. They are real close to launching a Kickstarter campaign though, so head over to their site and join their newsletter so you know what's what.
Be the first among your friends to have it. Don't even tell them about it. Just get it, practice for a month, and then show up with it one day and blow their minds. That's how I like to sushi roll.