Amazon has the Rock Band 3 Wireless Fender Mustang PRO-Guitar Controller for PlayStation 3 for just $57.02 with free shipping. That's $17 off the next lowest price we could find on this highly-rated guitar controller.
The Rock Band 3 Wireless Fender Mustang PRO-Guitar Controller is the perfect bridge between music gameplay and the thrill of playing a real guitar. Delivering a new experience to music gaming, the 17-fret touch-sensitive neck with six buttons per fret provides a total of 102 active finger positions and six low-latency strings for actual note strumming. The Rock Band 3 Wireless Mustang PRO-Guitar Controller is fully compatible with both standard and Pro modes. Empowering you to rock outside the realm of videogames, the MIDI output connector provides compatibility with MIDI software sequencers and hardware devices, while standard console-specific gaming controller buttons deliver seamless console integration. With an official Fender Mustang body, custom Guitar Strap, right- or left-handed gameplay, plus Overdrive Stomp Box support.