At one point or another I've owned at least 7 original 1980s models (ZZB, SB-1000, RSB-900, SB-900, SB-RSZ, SB-700, etc) and 3 of the high-end reissues (SB-1000 and SB-R150). The reissues I've had, had slightly larger/blockier bodies and wider/flatter necks. Neck angles are also different...