Here are the pictures I took at last year's run.
http://www.spmicro.com/gallery/48hrs04
The guy that organizes this event drives an SVX. mikecg, myself, and Subafreak from this forum all did the entire drive last year. Subafreak was in his monster Loyale though. Any Subaru can come.
The run took place over 4 days and went through 4 US states, 1 Canadian province, and over the Atlantic Ocean. About 1500 miles total. Last year's run started on Long Island and ended at dinner in Woodbridge, NJ. Here's a map from last year's route: