I have both (B and D) Versions and I don’t like either of them .
I think that reviewers that praised the 203B used high quality batches of media hence the very good quality
What I don’t like :
-Almost always higher PIE/PIF and Jitter (specially with DVD+R) than my other burners including the good old Benq 1640
-High speed burning (18X/20X) always give higher errors near the edge from the same consistent spindle of discs I use which burn very well with LiteOn 20A4P
What I like :
-Ver fast disc recognition time
-Excellent CD-R writing quality with Daxon CD-R media that burn horribly with any other burner