I also upgraded my ep350 to the ep500. I received the full amount I paid for the 350 towards the 500. This was about 10 months after the initial purchase. Not only that, but they shipped the ep500 first and only then I shipped back the ep350. Customer Service like this is hard to find these days.

Last edited by Listener; 03/10/10 04:33 PM.
PeachTree 65se, PeachTree D5 and SVS SB1000 - Stereo
M80s, M22s, SVS PB3000