[Aquattro]

Hmmm, the cleaner shrimps will eat all your DSB fauna, the blue legs will kill all your snails, you'll end up with algae problems and a bunch of brown sand. Maybe a green brittle star to top off the combo...it could eat your fish. Ahh...nature at it's finest.
Alan, by all means try the cleaner shrimps in your main tank. If you find you have the same problems as I, you can transfer them to your refugium. The worms will repopulate eventually. As far as I'm concerned, blue legged hermits are mantis food. They'll kill your snails(the ones you paid money for), they'll kill your scarlet hermits, and I've even heard of them eating corraline.
The best way to figure out what to do is try it yourself; all I am doing is relaying my experience with these critters.
Good luck!