Last week at Macworld | iWorld 2012, the imaging company Epson had set up a large area on the second floor to show off its latest product, the MegaPlex Digital Dock Projector. Epson makes a number of imaging products, including printers and projectors, but this is its first project driven by an iOS device. It's a pretty standard portable projector (in fact, I'd argue that the image and speaker quality on the projector are a little below standard, unfortunately), but the kicker here is that there's an iOS dock connector on the back, so you can plug in your iPad or iPhon