Yes, I have Emailed BenQ many many times. I had to address these issues on the Global Site since there External units are not marketed in the USA except for the gray market. They take the information in say thank you and that end its.
BenQ Tech Support USA will not address an External unit issue.
Erik the author of Nero speed requested a fit to the 47N9 firmware and it's never been done.
I hope BENQ reads this thread to realize that they should support all their products not just the internal ones...