I
had one for about 3 years.
stunning fish. co-existed with tank mates swimmingly. awesome reef inhabitant in my experience.
never went for any of my corals. my tank is sps dominated, a few softies, a few lps, some shrooms, zoos. and some clams.
if i remember correctly, it may have taken a few weeks to wean to prepared/frozen foods. but would graze for minidusters and aiptasia initially, until they were wiped out.
started offering brine, then onto my fishes staple diet of mysis. loved the mysis.
lately i've been spending alot of time on my 180 *read a few hours on 1day of the weekend* and i think after i set up my new tank at my house and get my 180 back into tip top condition, i will most likely look into adding another copperband to my tank.
the copperband is one of my favorite fish.
HTH