The Kifaru woobie is $150, but worth every goddamn penny. Packs light, stuffs down well, and is very, very warm. Definitely warmer than a normal woobie.
It's my sleeping bag through early archery season, and goes in the bivy with the down quilt for cold temps. Great blanket but not real cheap.
Te occidere possunt sed te edere non possunt nefas est