For winter when the water gets deeper and faster anything smaller than an 8wt. rod is going to be too light for most rivers. There are some smaller rivers south of you to try. Elochoman maybe, or the Grays river or possibly the Wynoochee. But for the bigger rivers a 9wt. is proably the best setup. Any of the "out of the box" multi tip lines these days are good. Rio, or Airflo and of course Scientific Anglers, all make nice lines. Compared to 20 years ago things are much easier now. Fly size is going to depend on water conditions and time of year. Use your drift gear knowledge to help you there. What has been working lately is something with movement. Such as bunny leeches, marabous, wooly buggers, egg sucking leeches etc. Get it down and keep it slow for the most part. And dont pass up those quiet flows just off of the gravel bars, especialy in the early morning. And dont wade in when you first start at a run. Too many people spook fish that are sitting in fairly close to shore. Start shallow and work your way out, slowly. Have fun , thanks .