I have been away for a few days and didn't see your question about Happy and Grumpy.
A group of four of us went snorkeling with them in January '05. They were very professional, friendly and, because it was my first time snorkeling, accomodating to my needs and fears. Jolene got into the water with me when my husband and our tour mates wanted to explore further away from the boat and Lorne was eager to help me identify the fish and coral that I saw while we waited for the others to finish. All in all it was a great experience and I learned to love snorkeling enough to think about getting dive certified before we go back to AC in January next year.
We chatted quite a bit but I won't divulge any personal information about them here. I'm sure if you email them that they will tell you anything you want to know