I'm in the same boat but I don't think I've got any 3M DSDDs. Maybe a few 3M HD (1.2M).
Mostly I've got Verbatim Valuelife's and assorted other "bargain" brands.
I can't say I've noticed any significant differences in terms of reliability, although tbh I haven't logged any statistical data.
You do clean them before use, right? I routinely remove them from their sleeves and thoroughly clean off any mould with CD/DVD wipes before attempting to read them. Trying several different drives can sometimes bring success, due to differences in head alignment, speed etc (hope I'm not telling you how to suck eggs here
I was once able to recover a file I absolutely had to have simply by Retrying - several.. hundred... times