Hi Folks, My MacBook (2.16 GHz, Intel Core 2 Duo, 2 Gb Ram) is less than a month old. At times, particularly if I watch video clips for 20 m. or so, CPU will shoot up to 25%, the temperature will rise to as much as 72 degrees Celsius (162 Fahrenheit) and the fan will rotate at up to 8,000 rpm. Do these statistics signal trouble? If my PC was behaving like this, I would be very worried. When I drew their attention to this in the shop where I bought the computer, the assistants told me not to worry. Hmm, I wonder about that. The source of these statistics? iStat pro. It's been like this from day one and I'd like to know if this normal behaviour for a Mac or does it indicate trouble?