I was at Roaring Fork Saturday also. I fished from the last bridge downstream a ways, then back up. Thought I had a decent day with 4 fish and 10 or so good strikes on top (until I read your 25-30
Fished a nymph at first but ended up getting what action I did on yellow and orange Neversink Caddises. Only had 4 of these (2 yellow, 2 orange) which I ultimately lost to the trees and went back to some killer bugs without much success.
Next time out, I'm tying up a dozen or so of my foam caddises in yellow.
Traffic at 6 am was great, at 10:00 pretty much stunk.