Will be using my cimarron in two weeks on the tundra. Floorless is the way to go in AK in my opinion. Tent stakes are the biggest issue on tundra, normal short straight stakes don’t hold anything.
Use ground stakes the in somewhat the same way you'd use them in deep, soft snow. Believe me, they'll stay put.
What stakes you guys recommend for a cimarron?Floorless in Alaska for caribou and moose and NEVER had a bug problem. Have never used a tent with a floor there and never wished for otherwise. A couple of bugs aren't going to change my mind either.
What do you floorless tundra folk do to keep your bag dry?
I'm sure there was some, but is was never anything that I noticed. Years ago I developed the habit (picked it up from a buddy who introduced me to backpacking) of any time there is a nice day I set my sleeping bag outside for a few hours to air/dry out. I keep it in the bivy when doing this. Also, as mentioned by @twincedar a piece of tyvek under your sleeping pad adds additional protection. The tyvek ground cloth sold by Seek Outside is just the right size for me. Depending on conditions, sometimes I use both the bivy and tyvek, sometimes one or the other, and other times I use neither.No condensation in the bivy?