I won't rehash the discussions in the links jib71 posted. We all have our favorites and the linked threads pretty well sum them up.
I second the recommendation for Diane Dunston's books, Kyoto: Seven Paths to the Heart of the City and Old Kyoto . She really gets off the tourist path and shows you some gems. I have personally followed and heavily photographed 5 of the Seven Paths and loved every step.
For local nightlife activities, you might check some of the English language magazines after you get there. Kansai Time Out is one. There are others. Try the Marutzen book store on the 4th floor at KIX. There is one in Kyoto, also, but you can find KTO at most major hotels and the Tourist Info Center.
JR