Check here for an active LA Porsche club. Lots of young guys, fast shiny cars and social meets.
http://www.pcars.us/index.php?sid=3bbcfb31c488344a200a2a028919170c
For your local PCA look here for organized tours, performance driving events and track days. Older, more experienced drivers here mostly. Cars range from vintage '54 356 cab to fully race prepared GT2's and everything in between..
http://gpx.pca.org/
See ya on the back straight.
