I have read past forum posts, and it seems to be the case. I have the same experience myself too.
But comparing the 1402, 1502, 1612, and 1712, which would be the pickiest?
If so, are they the current benchmark on whether a backup passes the 'working copy' test?
On a long side note, the TEAC CD-W524E is still wonderful after so many product cycles.
Its bloody damned good with Securom (including reading Securom discs to image file, though i prefer to use the Toshi for reading). I made working backups of Warcraft3, Civ3:PTW.
SafeDisc < 2.51 are fair game. SafeDisc>=2.51 will work in few drives. SafeDisc>=2.51 + CCD4 AWS will work in most drives. Argh but it can't work on my Toshi, cos its picky
BTW, have any owners have tried the 524E with SafeDisc v2.8 and v2.9? I would like to know the results, as i do not own games with these safedisc versions. My copy of Rise Of Nations is v2.7 according to ClonyXXL
Also, Unprotected Audio CD reads/rips, are excellent if not outstanding too.