When I was learning to weld this is the dream bike I wanted to build! 26", 140mm travel and made of steel! with potential for a sub 30lb build.
http://www.pinkbike.com/news/btr-fabrications-push-for-the-pinner-2014.html
$4000+ for frame and shock 
Maybe I should start a kickstarter fund to buy one of these on their kickstarter fund.