I'm quite new to home theater and purchased a Harmon/Kardon AVR 120 with an Athena point 5 surround sound speaker setup a few days ago. My experience so far has been great, set it up and had no problems with it as far as Dolby Digital and normal use goes. My first experience with DTS was just a few hours ago when I was playing Vice City (a Playstation 2 game). It has an option for DTS and I switched it over to that (I do have a digital cable running out of my PS2 and have no problems running Dolby Digital or normal stereo on it). The problem was that it ran sound out to all my speakers except for the center speaker when switched over to DTS. The LEDs on the receiver indicate that as well. I tried switching it back and forth a few times (from normal to DTS) and sometimes for a split second the center channel would give static and then cut out. I haven't had a chance to test normal DVDs in my standalone player yet with DTS but I'm wondering if this is normal or if there is something wrong and what it might be? (wiring? bad receiver?). I find it surprising that Dolby Digital is fine and comes through on all speakers but DTS loses that center speaker. I'll try and rent a normal video DTS DVD soon and see if they work ok. At any rate, if anyone has any idea what the problem might be I'd appreciate any feedback. Thanks!