Thanks for guiding the lines Phil, would love to meet up again sometime. I think everybody knows Phil loves the low water action so here is my take. This was my first paddle in mid winter and first on numbers below 600.
Totally worth it, and really fun. Weather was plenty warm, water wasn't much colder than spring runoff in Summit County. I was in a drysuit and dressed for it, but ended up taking off the neo hood halfway through due to overheating. Definitely worth the drive from Breck, about 1.25hrs. Lines were harder than #s @ 600-1000cfs. Not really that bony, just really tight and only one workable choice in many spots. #5 was well worth scouting. Was glad to let Phil lead, even though I would normally run numbers without much thought. Bring your big boat for sure, plenty of pin spots. Not much surf anyway. I said to Phil at the end that if you didn't know this section ever got more water you'd look at it and think "let's do it".
I'll be going back the next warm day we have. The more the merrier so join up for next time. Just be sure you aren't a swim risk, self rescue amongst the ice is basically impossible.