This is just going to be a short review. Packaging was nice, enough to withstand accident drops by UPS. But of course, they still should take care of it. I opened the box, the sub was covered with thick plastic. It came with a powerplug + the manual. It's tall but very elegant. I like the felt cloth, makes it real classy. But I wish it was pure black. I noticed it when it stood beside my paradigm atoms. Or it could just be the effect of each strand being hit by my lighting. Ok, I hooked it up to my yamaha rxv-1400 and started the YPAO. Took only 5 mins. I had to go back to manual setup as noticed that my front speakers were configured as LARGE. I also had to change the BASS out since it was pointing to both FRONT and SWFR. I also set my crossover to 100hz. I auditioned 3 movies this morning; a) Finding Nemo b) Saving Private Ryan and c) Pearl Harbor. I was not happy with the sub result. Honestly, i was sooooo ECSTATIC!!! hehehe.... I had to turn off my drop ceiling lights because they were shaking. And also, my wife in 1st floor was wondering what was happening coz she didn't see the UPS guy and I already had it installed. She told me that floor in 1st floor was shaking. This was at 0db in my receiver. Honestly, it's just now that I saw the beauty of my Paradigm Atoms too. It's because, before it was set to LARGE and BASS was set to FRONT. Then when I turn the volume to -14db, my Atoms was creating a popcorn sound when it encounters scene that has bass. So I was always stucked with -15db when watching. But today, my 20-39PCi SVS sub changed my movie experience. I can go as high as +3db and I can see the power of the highness of the ATOMs plus the deep bass that the sub produces. I thought I was inside AMC theater and it's no joke. I can't wait to buy Paradigm CC170 for center and ADP170 for my surround. I'm actually still hesitant to go with ADP170 because it's expensive. I'm thinking of buying another pair of ATOMS for my surround. You guys are right, I felt the sub's output in my skin. In a nutshell, svs sub will give you more house maintenance, hehehehe!!! Guys, I'm very happy with my new 20-39Pci. Thanks for all the inputs before. Ok guys, see your replies later.