Grant Humphries http://www.openstreetmap.org/user/Grant%20Humphries/ and I are about to start focusing our edits down south of the Portland area for a while -- Salem Keizer Transit has set up an agreement with TriMet to do OSM improvements in Marion, Polk, and Yamhill counties. We'll be doing alignment cleanups to Bing imagery, as well as street reclassifications and info from local GIS datasets. Also, bike routes, parks, waterways, etc. Lots of fun stuff!
So... if you're an editor down there and you're wondering what's going on, that's the story! As always, send us notes if you have any questions about our edits.