Anyone here go to the Car&Coffee in Portland, OR? Its at the Starbucks off of I-5 near the Carmen Drive exit. They hold it on Saturdays starting around 0800 or so. I've been there a couple of times for quick glances, but haven't seen many boxsters. There were a few 911s, Ferraris, Audis, an Aston, and a couple of modified Honda..
They have a FB page if you're interested.