[vcf-midatlantic] OK seriously, how rare is the real 1541-II drive?

Now I wonder, compared with other CBM drives, is there a rarity ranking? I am thinking some of the rarest 8-bit CBM drives manufactured by CBM are (in no particular order and without looking on the internet for the answer) 8080 (dual 8" IEEE drive) 1540 1551 9060 9090 1570 (where these actually sold) The drive that came with the C-65 am I missing anything rarer than these? Next would be 2040 (IEEE) 4040 (IEEE) 8250 (IEEE) SFD-1001 Bill