If you missed the press release of this, check out the initial review of Panaracer’s first fatbike tire, the Fat B Nimble. Looks promising. It’s nice to see more (and cheaper) fat tire options out there. I think the Fat B Nimble is now available.
http://fat-bike.com/2014/04/panaracer-fat-b-nimble-review-1st-impressions/