I have an original version Bryston 3B that I purchased used a while back, and I'm considering doing a full recap because of its age (made in the late 70s, I think). I've read here and there that the later "ST" and "SST" versions are better than the original. Does anyone here have any insight into whether or not that is true? If so, I'm wondering if it would be worth recapping this old version of the 3B, or instead hunt for a used updated version ("ST" or "SST") and sell the old one.