I still own & occ'snly use ADAT's (2-LX's; 1 XT) primarily for 2-track mixdowns & tracking/mixing experimentation, etc.
As far as tapes are concerned, SAM ASH/NYC still carries BASF 20-bit masters (DA-60) & Quantegy's DM60. Regardless of the hrs, if U properly care for your Blackface (or any...