I'm lookin to spend about 150 on the subs themselves (shipping extra of course) and I was browsing through expensifield. (crutchfield...) and came acrossed a set of 15" Rockford Fosgates which I liked.... Two for 149.99. Link: Rockford Fosgate 15s. Then TPP decided that twin 15s are too large for the trunk in my Civic and said I should go with another 10" that can hold more wattage than both 15s combined. Link: Audiobahn 10s. For the sake of saving weight and room in the trunk the 10 would be nice, but would it really hit harder than twin 15s? I need advice from more than just ONE person. My coworkers all tell me that 15s will be awesome. Vote for me. They're the same price, so what do all you ICE gurus think?