hey guys im new here, just bought a 52 inch sony lcd the xbr model, the bose surround sound has 5 cube speakers that are clean crisp and loud, im happy with everything except the sub, im a bass junkie specially when it comes to my cars n home theater, im running my setup through a harmon kardon reciver the 247 model i belvie from futureshop, can anyone here recomended me a self powered subwoofer that will rattle the house, i heard a couple out there but nothing that meets my needs, what do u guys recomdned, also will it work with my current setup thanks, some guy in my area is selling a velodyne 20 inch sub that puts out 1300 watts for 300 bucks, thanks