JR, My advice to anyone who is an angler and is moving to the Northwest is to become acquainted with the writings of Roderick Haig Brown. Brown is the best at laying the ground rules of our traditions out this way and I find it sad that his warnings and advice has been ignored by too many for too long.
Reading Brown is
enjoyable and as you are already a fly fisher you will probably find it inspireing and may even find the conviction to stay the course on your first plan which was to fly fish for the steelhead and salmon when you get here.
I would recomend in no particular order Fishermans Spring, Fishermans Summer, Fishermans Fall, and Return To The River. They are all easy to read and very enjoyable, I still manage to re read them in part annualy or there abouts. What part of Washington are you moving to?