I have the Canon D10. Love it.
Positives:
1. VERY QUICK. That was the big selling point for me, very important for a fishing camera IMO. I honestly can power it up, let it focus, snap a picture, let it save, and power it down in 5 seconds flat.
2. Great pictures. Picture quality is among the best I've ever used.
3. The strap connect system is very nice. You can secure the wrist strap to any corner you want quickly and easily, or hook up a harness system easily.
4. Battery life is fantastic. Takes one of the Canon Li-ion batteries and comes with the charger.
5. Very good macro setting, nice for taking pics of bugs, though I haven't done much of that yet!
Negatives:
1. Form. It's a P&S, but fairly large compared to the competition, and has a weird egg shape. It makes holding it a bit awkward and could cause problems if you are trying to fit it in small pockets.
2. Not available in ANY stores to my knowledge. Best Buy doesn't even know it exists, they told me Canon doesn't make a waterproof, lol. I got it from Amazon.
3. It was fairly high priced compared to the competition when I was in the market. Not sure about now.