Rating: 5 / 5
I've now had my Warmlite 2R for a couple of years, and in a couple good wind storms (well, good for the SF Bay Area): one with 40 gusting 50, one with 30 gusting 40 and rainy. Tent held up fabulously. Also used it on snow camping trip: again, performed well (though conditions, despite very cold for Sierras, were benign).
Support from Stephenson's has been great: they have excellent tips on setup and use beyond the instructions. (E.g.: sleep with your head directly under the top of the front hoop for better condensation control.)
Also used this at Philmont, during monsoon rains. Condensation on nose and tail cones (single wall areas) Mathieu mentioned easily manageable, despite days of continuous rain early, and driving cold rain late in our trek.
People envied the light weight, easy setup, and integral fly (inside stayed dry while setting up in rain). Sure, a single-walled waterproof-breathable tent has this same quality, as do most shelters, but it's not so common in a double-walled tent.
I have the big door (LD option) and side windows (S option). Given experience so far, I'd skip the side windows if I ever need another (they add 5 ozs, and I've seldom used them--but, the few times I have, others in the group thought them pretty cool!).
I've not had problems with ground contour that Mathieu mentions, but you do need a way to get the stake-outs to stay put!