Thank you all. As said, KP and crashes are very different items. I'll keep trying to figure out the panics, and FWIW, the comments from Jerome re PowerMail were in regard to crashes, not panics I believe.
If someone does see a correlation between panics on their machine and Powermail usage, please let me know. A Jeremy Hughes said: >>I am not trying cast aspersions (yet), but wonder if others have seen >>similar issues on Macintel machines. > >PowerMail crashes regularly for me (on an Intel iMac) - usually when >retrieving files with large attachments. > >I haven't had any kernel panics. > >Jeremy > > > > >

