Nemo Tenshi (after they fixed the PU issue). Bought in 2014 and only used a few times each winter! It’s super bomber, comes with everything that was standard (guy lines, stakes, condensation curtain, etc). $400. Will ship, but would prefer in person here in Colorado.

https://www.nemoequipment.com/product/tenshi/ $700 MSRP. It is the best ventilated and most breathable waterproof, single wall tent on the market.