IMO - The best place to spend your Boxster money is on the race track. Driver's ED on the track is a blast!
I see PCA is at the old Seattle Raceway Aug 27th - there might be space available.
http://pnwr.pca.org/Track/
If you haven't already, I recommend you joind PCA (Porsche Club of America). You get a national magazine, and two years ago they even gave away MONEY ($100 off on purchase of $200 or more of genuine Porsche Stuff).
Os well as joining the National PCA, you can join the local PCA - which is often where the good stuff happens. Good stuff includes DE(race track), Autocross(parking lot), meetings(Garages, video parlors, restaurants). Sunday drives with other Porsches are a lot more fun than you might expect. For my recent Sunday drive photos (not PCA) see...
http://www.blueturban.com/auto/ and click on Hawk's Nest Meet.
PCA is IMO a nice part of Porsche ownership.