Just a few months after releasing its outdoorsy, G700 point and shoot, Ricoh has taken the wraps off yet another rugged digital camera -- the waterproof, shockproof and dust-resistant PX. This small warrior packs a 16-megapixel CCD sensor along with a 5x optical wide zoom lens and is capable of booting up in just 1.4 seconds. The device also supports subject-tracking and face-priority auto-focus features, in addition to a host of shooting mo
