Stay away from stinging corals ... most softies, zoas and shrooms will be fine.
I would ask to see them eat at the LFS. If they only take live food, it might get very expensive to feed them. Also, unless you have a very reliable local source for live food, it could get way more expensive in shipping costs (for live food).
If they readily eat frozen ... go for it.
Oh, and brine shrimp won't cut it, even enriched to the gills. It just isn't nutritious enough.
HTH