I was in a local camera store today and was told I could trade in my old A540 towards a new G15. I have another camera (don't like it but stuck with it) for underwater for now, so am looking at the G15 for a surface camera for starters and then later use it u/w. So, I've seen posts saying how good the G15 is u/w, but how does it stack up as a furface camera. Note, I am a beginner and will using the auto mode mostly but like the idea of working into the manual modes of the G15. Thoughts? Thanks!