On steep and cheap right now. Mountainsmith Humboldt, 48 oz of 650 fill down. Not UL, but it's $125. Also can be found at the link below for only a few bucks more, if you see this after the deal is over on SAC.

http://www.cleansnipe.com/cheap-hiking-camping-gear-sale/mountainsmith-humbolt-sleeping-bag-20-degree-down.htm

There's also a zero degree version.