A little off-topic, but while in Portland (stayed at the Hilton; nice room, good staff, great location) we enjoyed a fantastic meal at Oba (
http://portland.citysearch.com/profile/8463264/ ). 555 NW 12th Ave, Portland, OR 97209-3038 Phone: (503) 228-6161.
Really great food and good atmosphere. Worth the taxi ride or walk (a few miles north of the Hilton).