That's a whole different story though Crockett, nothing wrong with that. I actually agree with you, BenQ quality control doesn't seem to be the best, as I painfully had to experience myself (had to RMA the first (defective) BenQ DW1650 (retail version), after a lot of coasters made, including 4 rather expensive Verbatim DL discs... :().
I just wanted to point out that you can't generally say that the DW1655 is a 'better' burner than the DW1650, because hardware wise, both drives are identical, and the difference in firmware is rather minimal. Since you are from Germany, you may know that in the test of c't magazine, the DW1650 actually had slightly better results than the DW1655. Still, that doesn't mean that the DW1650 is 'better' than the DW1655 either.