There is a HUGE network of post-adoption help in the Portland area. Getting bigger as we speak. You will probably get the most information by joining AttachOregon:http://groups.yahoo.com/group/attachOregon/
It's not a super active group, but all the local info goes there.
Dr. Kali Miller is nationally known, with folks flying in from out of state to see her:
Dr. Kali Miller (psychologist)
Corinthia Counseling Center
3731 SE 164th
Portland, OR 97236
Just in the last several months, the number of resources (camps for families, etc.) has exploded. Info is posted at AttachOregon.
Feel free to contact me for more info or to talk.