Camcorder Projector
Try a camcorder projector 3M CP45 as a handy HD camcorder and HD still pocket camera but with a projector built in so you can instantly share all your photos from each day with everyone at 100" - ive projected video of me on a Segway on the wall of the hotel bar and onto the ceiling to a massive cinematic size. It just looks so much better than looking at a 2 inch screen when its 100" - its like Imax in your pocket.
All in one iPhone Projection + Battery Charge + Sound Boost + Rugged Case
Or try the Pico Genie iPhone Projector which is a 4-in-1 device that basically projects everything from your iPhone and charges it at the same time so you never run out of battery on your phone. It acts as an iPhone case + a projector + a speaker + extra battery.
Energizer Battery: Emergency Power Charge
Also check out the energizer battery to fuel all your hungry power devices - the new ones can now power 3 gadgets at once while your on the move and they even power projectors turning even mains powered LED projectors into truly mobile projectors.