There has been a rash of "what to do when I'm at ..." threads so I thought I would add my own. I'm going to be in San Fran for a couple of days prior to a course so I'm looking for recommendations for a good hotel to stay at. I would like to be close to to some of the more interesting tourist attractions and restaurants. I will be renting a car so transportation isn't a big deal. I would also appreciate some suggestions of interesting things to do for the two days I have to tour around. I was planning on the Alcatraz tour, Ghiradelli square and Fishermans wharf. Any others? Good restaurant recommendations?