Ok thanks guys, I think I will go with the small sub option. Since you guys know so much more about graphs and numbers and such, if you were going to buy one of these subs, which one would it be based on the specs listed? They are both about the same in price range. Thanks

Athena AS-P4000
http://www.athenaspeakers.com/as-p4000-specs.htm

Outlaw LMF-2
http://www.outlawaudio.com/products/lfm2.html

My Setup