Absolutely. I have 2 DT lines coming from The Fly Shack, unlabled.
Gnoahhh and I hit up Big Hunting Creek in the Catoctins Saturday and he found the #3 weight line that felt good yard casting on his new #2 was way overweight once we were on the water so I'm sure he'll be interested in your results.
We got up there and temps were in the mid 50's then it started sprinkling and then is started blowing like stink and then is started raining and then the temps started dropping and the rain started sinking our flies.
We went west sought refuge in
http://thebroadaxe.com/the-place/ It was our only good idea for the day.