Review of the Pentax Optio S4i

Review of Pentax's new four megapixel ultracompact digital camera, the Optio S4i, which is the updated version the Optio S4 (just with a bigger LCD screen, better image quality, and a docking station), which was itself the follow-up to the three megapixel Optio S (hey, naming gadgets is easy — just keep adding more numbers and letters).