To all you 6.1 system owners out there, Do you watch a DVD with a 5.1 soundtrack twice on your system's 6.1 setting, then again on your systems 5.1 setting & make comparisons? Does that extra channel make any difference at all on a DVD with a 5.1 soundtrack? I wouldn't know 'cos my system is 5.1 & I've yet to see & hear a 6.1 system. What I would also like to know, does a 5.1 system justify an upgrade to 6.1 channels when there is not really much 6.1 software out there presently (I know the choice is growing) & my next upgrade of amplifier could be from 5.1 to 6.1, depending on my judgement, price, & demo of a 6.1 system. Thanks for your opinions, Grimley.