I got a Stratosphere for my son, as has been said above, its basically a large bivi, he's stayed dry and hasn't complained.
It all depends on what your needs are, a tent or a bivi.
I had both the Phoenix Mountaineering Phreeranger and Phreerunner, the former has been sold on and was an ace tent and highly respected, even now. I only kept the Phreerunner as that's the single GoreTex skin version
and I no longer need both.
If I don't need the tent then it'll be a GTX bivi bag (Phoenix Mountaineering, again) maybe a tarp as well.
Trekkertent make their version of the Phreeranger, along with other tents & shelters, probably more £'s than the Snugpak but sometimes it's worth it and the resale value would be far greater!
(I've no affiliation, etc; to TT, just a fan of the design).