You'll be fine with an 8wt. A 7 would probably be pushing it, but you're safe using an 8wt.
As for which rod. That list is pretty open and it looks like you have plenty of room to spend money. All of those rods will work great. As everyone on here always says, test them before you buy them. You might like the action of a certain one more when throwing huge streamers.
Also, really quick, it looks like there is a 890-4 Flight for $216 here: Closeouts ~ Colorado Fly Fishing, Fly Fishing Gear ~ Roaring Fork Anglers, Glenwood Springs,CO