Hi, and welcome to FineTunedMac.
Sorry, but I can't offer any suggestions; you seem to have taken care of things pretty well on your own. (It sounds like your Mac really needs to change its spots.)
(May I suggest that you change your sig to *not* include your e-mail address?
1. Direct e-mail responses to posters are discouraged, because the knowledge included therein is not "on-camera" for the rest of the FTM community to read.
2. The spam-bots will getcha!)