Haven't read the thread, just replying to OP:
Yes, I'm a brand loyalist on two fronts; I have two '80's Yamaha BB's (400 and 1600), an 810E, a Mesa Bass 400+, and a Quilter Bass Block 800.
I've never met an 80's BB that I wouldn't buy given the owner would let go.
I've never met a Quilter...