Well Aenimal, if it's any consolation, I've had to do the same with switching back to Master from Cable Select for firmware upgrades, then switching the jumper back to CS. But then, I love cracking open computers. Heck, even since I spent about $300 turning my mom's Compuke Presario 5011r Radio Shack Special into an actual Computer, I still pull off the side panel from time to time just to gaze at the NB fan, aftermarket vid fan, new cpu cooler, and 3 case fans (run by a Vantec 3.5" 4-fan controller).
I just hope that prior to purchasing, you did some extensive research, both from review site articles, review site testrigs, and user reviews. I've been pricing some myself for my gf, since her Sony cdrw is acting up after a few years of light use. So far, I'm leaning towards a Lite-On for a temp fix (~20USD) or the Giga-Byte W1632A (~50USD) for a longterm replacement.