I don't think you'll be sorry. I have one of these, a 0 degree Epiphany, and it's great. Just be sure, when you're deflating it to pack it up, let it have as much time as it wants to exhaust its air. If you push too hard, the resulting force can cause the baffles to fail where they're glued to the exterior. But mine, and I'm sure yours, is amazingly warm for its weight, fits splendidly, and is very well engineered.
(I've never had any problem, but I got mine used, and it needed some repairs because the previous owner may have squeezed too hard. Tim was able to fix things, so I'm especially careful now with it.)