Groupon offers the General Imaging ipico Handheld Projector for iPhone / iPod touch, model no. PJ205, for $79.99 with free shipping. That's the lowest total price we could find by $5. This mini LED projector docks with your iPhone or iPod Touch and displays an image of up to 50". It weighs 3.7 oz. and features 90 minutes of projecting, a rechargeable battery, and 960x540 native resolution. It's compatible with iPhone 3GS, 4, and 4S, and 3rd- and 4th-generation iPod touch. Deal ends July 1 at 1 am ET.