As one of its daily deals, Groupon offers the Pentax Optio WG-2 16-Megapixel Waterproof Digital Camera with Float Strap in Black, model no. 15471, for $149.99 with free shipping. That's $29 under our mention from a month ago (without the strap) and the lowest total price we've seen for this camera. (It's a current low by $80.) Sales tax is added where applicable. Features include a 3" LCD, 1080p video capture at 30fps, 5x optical zoom, water resistance to 40 feet, 88MB internal memory, SDHC slot, USB, HDMI, and more. Deal ends March 10.

Update: Of note, the model with the strap has since sold out; however, Groupon offers it without the strap for $149.99 with free shipping.