What, in general, are considered acceptable temps for AMD CPUs? I've got my X2 3800+ overclocked to 2.2 Ghz right now, and while it's running perfectly stable (so far at least), it's pretty warm. 36C idle, and 52C after a couple of hours of Prime95. I'm only using the stock HSF, so I know I can't push it too far, but are the current temps acceptable?