I'm considering this sub

http://www.svsound.com/products-sub-box-10nsd.cfm

Subs seem to get awfully big to have in a living room. (yep, no home theatre room for me) The Axioms sure look nice but a bit of change for me. Plus if I have to go big I have a pair of JBL PA subs that I power with 1100 watts each.