In response to the over heating issue...
I purchased a laptop desk from http://www.laptopdesk.net/ that you use to put in between your lap and the computer. It is designed with air channels underneath the laptop so that air flows...
I just got off the phone with Sager support and the guy I spoke with about this same issue said, "It is a manufacturer defect." So I said, "there is no solution to the problem?" To which he replied that there was none...