Yours may be fine. You do realize how many threads are made about SLG problems right? I've seen at least 5 rant threads about the SLG. I don't think I've ever seen a rant thread about another marker.
Mine is fine, and it's been through more monkey shine than you could imagine. Rant threads are irrelevant evidence of anything. If you watched my troubleshooting videos, you'll see that the cause and solution of the most common issues are rather modest. The problem is simply (as is said above) numbers, as well as the demographic.
I see clearly that Kevin's case is a true one, and there is no excuse for it. That is self-evident. However the vast majority of issues with SLG's are due to ignorance of the operation, and misconceptions (many set forth by more ignorant people who give false advice in the pretense of knowledge) of maintenance. For every rant thread that I've seen, I've gotten two PM's from new members (some with less than 10 posts) asking me for advice and help. After a link to a video, an explanation of what to do, and why, their problems are solved. Granted, these are 2009 models I speak of, and the fakakta 2008 model is apparently built with inherent problems.
D.K., of all people, you should know the inaccuracies of numbers in terms of testimonials, and personal perceptions.