No I'm not seriously considering one, but it is an awesome pack. Some of the design touches (ie. the cord buckles used to cinch the lid) are amazing. I also really like the aesthetic of the pack. It's a great update to a great pack.
This past summer I bought a custom Zpacks Zero with some options, that Joe made to suit specifically my needs/habits. It's not quite as handsome as the new Murmur, but functionality it's exactly what I want and it's 5.1oz. I posted some pics/info on it a few months back here: