Putting together a 11'6 to 12' 5wt spey outfit and am considering reel choices. I'm thinking about a 3 1/2 Perfect or 3 5/8 Perfect. The 3 1/2 might be a little heavy, but I've already got one that I typically use on a 6wt spey, so I'll likely give it a try. I think a 3 5/8 should be good weight wise and believe it should have enough room for 300-360 grain heads. Any thoughts or advice appreciated.