Another option you might want to consider is this...budget permitting>
http://funkywaves.net/specials.cfm?item=fw12_xIt's being reviewed along with the Svs pb12 plus, Rythmik FV15HP,Hsu VTF15H. You can follow the thread over at Avs or Audioholics...fwiw.
Just for a comparsion the hsu is the least expensive of those subs ~900.00cdn but with shipping charges your talking about >$1300.00 cdn. So that sub I have linked is really an excellent buy...of course another decent option is to buy from Axiom and I'd steer clear of any of those B&M store subs...JMO.