>>2194322400-500should be plenty. You'll want an 8 weight at least and if you're expecting fish over 20 pounds to be not uncommon you might think about going for a 10 weight.
>reelRedington behemoth, match the number on the reel to the number on the rod..
>rodAt $170 an echo ion should serve you well for most applications
>lineThis is a lot if personal preference. I personally like swinging streamers so I have a commando head and a few tips for steelhead. A general purpose taper like on the aircel GP will be great for bobber fishing (dont call it that in a fly shop theyll get snooty) and with polyleaders is easy to use for swinging in a pinch. Then you'll need a fist full of flies, splitshot, and thingamabobbers. If you're interested I tie and sell flies and could put together an order for you, or there are plenty of flies for sale online.
>pic related, my steelhead box 