The Virtuoso is MIDI-compatible and was invented by one of the guys at the helm of NASA during its famed Apollo program. Be sure to watch the infomercial-quality video explaining the ins and outs of the Virtuoso.
Price? Methinks it'd probably be cheaper to get professional violin lessons than shell out the $17,500 required to purchase the Virtuoso. At least the seller includes some accessories with your purchase, like a display cabinet and a 40-watt amp.