Greetings. I've been enjoying and finding quite useful these forums for a number of years, and regret that my first post must concern a possible problem with a computer I absolutely adore. And to those who might say I'm nitpicking, and to not bother forum members with paltry concerns, please understand that some of us are not given computers by our parents; we work very hard to afford them, and become justifiably concerned with any signs of a possible problem, especially in the first two weeks when return and exchange are still possible. So, after that rather lengthy preamble, the point. I bought the base model 13" Air a week ago, and have to say it is the zippiest and sleekest computer I have ever set eyes or hands on. It seems much faster and more capable than the MacBook Pro it is replacing. I have noticed, however, a phenomenon that has not occurred with either of my previous MacBooks: after maxing the CPU for a few minutes with Handbrake or some other intense activity, the fans don't even begin to reduce in speed until the CPU temperature reaches 48C, and take ages to settle back down to 2000rpm after working at 6000-6500rpm. On average it takes between 3 and 4 minutes. In my previous Macs, and in those of my friends and family, as soon as CPU load returns to normal the fans immediately spin down (there is no delay until a certain temperature is reached), and reach 2000rpm in less than a minute and a half. For those who have a version of iStat (Pro, Menus, Nano), could you please perform an experiment with your current generation Air (13 or 11). Tax your CPU with something intensive, until the fans have been spinning at over 6000rpm for a few minutes, and then time how long it takes for 1) the fans to begin dropping from 6500rpm, and 2) the fans to reach 2000rpm. I apologize for this long and rather rambling post, and hope that some of you very knowledgeable people can help determine if this is an anomaly with my computer, or if it's common to all new MacBook Airs. Thanks, guys.