I have a KAQ New River UQ and another one that I use as a TQ as well and have used them down to the mid-20's and been comfortable. I was wearing a lite weight thermal base layer, fleece jacket, wicking socks and dry hiking socks. I was not in an ENO, will do that testing next weekend since I got a ENO DN for an early birthday present. I was in my CJH NX-200 with the weather shield closed, I never woke up cold but I could tell that is was cool inside. I would definitely try your listed set-up on some trial runs to see how comfortable you are............. I hope this helps.
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