“Despite it’s fun features and unique design, I was let down by the Optio WG-1’s mediocre photo and video quality, almost useless GPS, and lack of image stabilization.”
dcresource (DCRP) has published their review of the Pentax Optio WG-1 GPS, with 14MP resolution (1/2.3-in. CCD), 5x wide-angle optical zoom (28-140mm equiv.), 2.7-in. LCD (230k-dot), waterproof (33 ft), coldproof (10 degrees C / 14 degrees F), dustproof, shockproof (5 ft), crushproof (100 KGF), GPS, and HD Movie 1280×720 @ 30fps.
You can read the Pentax Optio WG-1 GPS Review @ dcresource (DCRP).