Tomorrow (April 29th) there is a big car cruise in downtown Irwin, PA. Some of the Fresh Air gang will be there with their VWs. Festivities start at noon but get there early for a good parking spot.
This address should get you to the enterance of the show.
304 Main St
Irwin, PA 15642
More info here:
http://www.carcruises.com/cruise_detail.asp?eid=36723