Definitely the Outlaw LFM-1 EX over the Klipsch SW-112. I think the Outlaw would be perfect for your size room and for it's current sale price it's kind of a no brainer. I came from an EX prior to my Rythmik's and still to this day I miss my old Outlaw. It was my first real sub......
Receiver - Denon 4311CI
Speakers - Infinity P363's, PC351, P153's
Subs - Rythmik FV15HP's