Sorry, not a posting about great watering holes. That's the title of a lengthy piece in the Sunday magazine section of the San Francisco Chronicle, agetting into PowerBar vs. Clif Bar, since both are in Berkeley. Suspect lots of visitors to this site use one/both.
http://www.sfgate.com/cgi-bin/article.c ... 257317.DTL
If that URL is too long to be workable, you can go to www.sfgate.com and enter "powerbar" in the search window.