not really, since rapid fire already answered your questions...
anydvd works fine to make discs read as region free with most drives (and ALL benQs as far as i know)
the only problem is with Matshita drives because of the hardware inside. anydvd cannot make discs appear region free to these drives, but with the correct region disc, anydvd will still do it's job on a Matshita drive.
in short, rapid fire was right...you're fine.