Local Favorites:
Design Solutions http://www.ronnieroche.com/- Ronnie and I have been working together for years. And I cannot speak highly enough of her intelligence and good nature.
North Coast Mac Users Group http://www.ncmug.org - A fun and informative supportive group to belong to. They meet once a month in Rohnert Park. The Information is on their website.
PowerBook Guy http://www.powerbookguy.com/ - THE source for Apple laptops or laptop parts in the Bay Area. Very helpful!
Drive Savers http://www.drivesavers.com/ - If your hard drive crashes and you NEED to save that data I recommend giving these folks a call. Just THE BEST in the business and they are very friendly.