Who's going to the San Jose State Fairgrounds Vintage Bike Show and Swap Meet this year!? Meeee!
Here is a Google map here so you have no excuses not to go.
http://maps.google.com/maps?f=q&hl=e...wloc=addr&om=1
Vintage bike show details:
http://vintagebmw.org/v7/node/7128
It looks like the Ducati Vintage Club is the main force behind organizing the event. 4th Annual European Motorcycle & Scooter Show link
http://www.eurobikeshow.com/ .
And some more information on this webpage here
Bikerplaza.com : It looks like this site has more info about vintage bike meetings as well if you want to look around they have a Youtube link with some videos.