Although the 12w3v2's aren't the loudest subs around they do have the ability to get fairly loud in the right box. They also have EXCELLENT sq. A better choice that I would reccomend is 2 re audio se 12's. They won't cost any more then the 12w3v2's, but they will get MUCH louder and still maintain good sound quality. They're usually around 375 for a pair shipped brand new from re. For the power it really depends on you budget. A hifonics brutus bx1500d would be great for the pair and will run you around 250 shipped with with warranty off of ebay. If you want to step it up a bit look at elemental designs nine.1. Some other good choices would be anything from cadence, phoenix gold, memphis, directed, and tru technology (mucho $$) to name a few for amps. As far as other sub combinations go..... two adire shivas though they wouldn't quite have the output of the se's, incriminator audio, one re audio xxx, a brahma from adire, jl w6v2's (very over priced) re sx's, another good coice would be to try to find a pair of used SExxx's from re. Websites are:
www.reaudio.com www.adireaudio.com www.edesignaudio.com www.maxxsonics.com www.trutechnology.com www.visionaryaudio.com (good place to buy re and adire)
www.incriminatoraudio.com Also a budget would be nice to know so we know what you can afford.