Who woulda thunk it? Half a year ago, finding a conventional point-and-shoot with integrated GPS was a chore, but these days, it's growing tougher and tougher to find one without it. Pentax is joining the geotagging frenzy this evening with its Optio WG-1 GPS, a rugged 14 megapixel shooter that's waterproof up to 33 feet, shockproof in nature and engineered with a "crushproof" body that can withstand weight force of up to 220 pounds. You'll