BrandsMart USA offers the General Imaging iPico Handheld Projector for iPhone and iPod Touch, model no. PJ205W1, for $29.88 plus $6.88 for shipping. That's $3 below our May mention and the lowest total price we've seen. (Outside of the price below, it's a current price low by $3.) This mini LED projector docks with your iPhone or iPod Touch and displays an image of up to 50". It weighs 3.7 ounces 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.

A close price: Tech Buy via Amazon offers it for $37.40 with free shipping.