All of the snails are excellent, and the shrimp will do just fine as well (as long as your nitrates are low after the cycle). If you do not like hermit crabs, that's okay (neither do I). I would probably nix the urchin, as they can be just as sensitive as a starfish.
I would probably add a couple more types of snails. Nerite grazers are good, astrea snails do a great job, and cerith snails are nice also.
A couple of peppermint shrimp would be a nice addition as well, just in case you have any aipstasia on your live rock.