I've ordered snails/crabs from both reefcleaners.org and reeftopia, am having much better luck with the order from reeftopia although reefcleaners did tend to put more extras into the order. Only thing I got from reeftopia that I wasn't very happy with was the nerite snails, came in small and were much more than reefcleaners price.
Astrea's, larger cerith, blue leg hermits sm & med, emerald crabs, sea cucumbers, atlantic deer cowry and peppermint shrimp are all doing well after a couple months. Lost one emerald crab and my mystery wrasse had one of the peppermints for dinner the other night but everything else is crawling around.