Hey guys, I'm going to be upgrading to a SVS 20-39 next week, hurray. Right now, I'm using a JBL PB12 as my main sub and a PB10 in the rear. When I added the PB10, I thought that it added a new dimension to my setup, espicially with discrete effects from the surround channels! (ie. AFO when the F16s circle around to escort, you could hear the afterburners kick in behind you...) Do you think with the addition of the SVS or two in front, that a rear sub is no longer necessary? Was the added affect because my PB12 was not up to snuff? What do you think? My room : 12Wx17Lx8H My equipment: RPTV: Mitsubishi WT-46807 Receiver: Denon 3802 DVD: JVC XV-D723 VCRs: JVC SVHS HR-S3500U & JVC VHS HR-VP600U CD: JVC 200 DISC XL-MC222 SPEAKERS: Center Polk CS 350-LS Fronts: Polk RT1000i's Surrounds: Polk RT-55i's Rears: Polk FX500i's Sub JBL: PB12 Rear Sub: JBL PB10 Remote: Sony RM_AV2000 ------------------ Eric, "Do not try and end your upgrading. That's impossible. Instead,only try and realise the truth." " What truth?" "There is no end to upgrading"