Hello and merry after x-mas. I currently am using a Sony sawm40 and it is great. Bass I can feel. Just curious as too how big of a WOW difference can I expect from the SVS 25-31pci. My dedicated room is 12x13 so I know the output from the svs will be fantastic. Has anyone upgraded to the SVS from the Sony and how big of a difference did it provide. Thanks for all of the advice guys and in case anyone hasn't said this, thanks Ron for a great forum and bringing together some great Audio minds.