We know you've got questions, and if you're brave enough to ask the world for answers, here's the outlet to do so. This week's Ask Engadget inquiry is from Mark, who's in the market for a heavy-duty camera. If you're looking to send in an inquiry of your own, drop us a line at ask [at] engadget [dawt] com. "Back in 2009, you asked what the best rugged, waterproof point-and-shoot camera was. I'm looking for the same thing now and wondered if the readers had any recommendations. I'm n
