So after reading stuff on this forum and other places I realize that I want more from my sub. What I have does move the furniture at the right times and provided plenty of volume, but I want to get a little lower. I want to feel those LFE's. Maybe ever hear something around f'in Irene in Black Hawk Down. I see some information about home built sonotube subs. Wow, looks like the answer to my prayers. I have an open floor plan. My family room opens up into the kitchen/living room/dining room. My guess is that it is around 8000 cubic feet. I listen to movies at a moderate volume, so having a lot of headspace isn't a big deal. What I really want is a lower than standard tuning point (20Hz) and enough volume so the people near the sub will get a "thump" when things explode. After doing a little research on DIY subs that do that the price of the materials comes to about $500-$600. OK, so I click on the SVS banner above and the 20-39PCi pops up for $599. Add $75 for shipping and for $675 I have what I want...I think. I am capable when it comes to using tools, so building a sonotube won't be too hard. I'll don't have a lot of wood working tools, so I will have to fake a lot of things with my Dremel, but that is OK. But if I go the home built route, it won't end up looking pretty. So, is it worth going the home built route of for a few more bucks is buying the SVS a better deal? What is the advantage of building my own sonotube? Thanks for any input.