Hehe, damn. That would definitely be something to see, a 20 with the achievement. I'm sure someone, somwhere, sooner or later, will get it. Once you've done all the achievements, there's basically two mounts, six pets, or seven including the one you fish up, and a few novelty items. Eventually people will lose interest, but the island is always packed when I go there, so that is probably going to take a while.