http://stuffboston.com/get/archive/2008/02/06/factory-work-out.aspxIf working out were as much fun as a night on the town, we'd be tugging on our Lululemon stretch pants and sweating it out nightly. And that's the atmosphere that Andy Haynes is working to create at his newly-opened Cardio Factory (26 New StreetenCommunityServer 2007.1 (Build: 20917.1142)