When you say a klink Mostyn, do you mean a KLINKhammer, or a parachute type fly ?
I use a lot of para type flies with a pink wingpost for visibilty, either aerowing or foam, but tied on 14's and 16's Kamasan B400's. The best hooks, IMO. You can keep all these Varivas and fine wire jobbies, more trouble than they are worth, again IMO.

My other favourite fly at the moment is a deerhair comparadun, which for me works a treat, and floats all day with little trouble.
I am trying to perfect the art of tying them as we speak, and they get better each time.
My other go to fly is an elkhair and cdc, it tends to fish better in the late evening,as the sedges come on the water, and even if I can't see it after dark, I am finding a cast accross the river, and a gentle tweak back is all that's needed.
I like CDC flies in as much as they are easy to tie, and look well on the water, but after one fish, and even after a good drying out and a frogs fannying, they are never the same for me.
I would happily go out for the evening with half a dozen comparaduns in my hat, and feel confident in catching, so the question has to be, why do I carry three boxes of flies in my waistcoat all the time.

S.