I'm looking for advice on new ht sub but don't know if 1 big(15") or 2 medium(10",12")for my set up i have a onkyo 805 with 5.1 speaker set-up. Budget $500 include shipping, Size something like 16" to 22" box, My room is open to the rest of the house counting all that space is like 10,000 cf, Use for br movies 70% for ps3 & xb360 games 20% and for music 10% of the time, Listening habits= i like to hear the bass like 20% & feel it 80% i want to feel the action. Finish color black but well finish doen't have to be piano black, mate is ok but to look descent , Time frame like 1 or 2 weeks may be up to a month but sooner better. If i have to come up with some more $ to get some thing good if have to be well worth you know wife is gonna ask how much. Thanks all for advice.