I would concur that 6v6s are a completely different beast than 6L6s. Another consideration is what guitar are you playing. I used to go to some open dead jams and whenever I plugged my Jerry style buffered guitar into a deluxe reverb it had that thin sound, yet passive guitars sounded great.
I'm on the same search for an ultra clean lots of headroom amp. Almost pulled the plug on both a Lil Dawg and an Allen Accomplice. But the FYD looks sweet too.
Lil Dawgs are the lightest for a combo (32-35 lbs) and lots of great reviews but also a few older posts on thegearpage that mention some floor noise. Only a few though.
Allen's have the Raw control which sounds like a tone stack lift or a mid control that helps with cutting through. I think around 40 lbs and the FYD combo's are 45-50 lbs (I think).
All great amp builders. Good luck! I've been searching for a used one myself.
EDIT: sorry didn't realize you just wanted a head, not a combo...