I've seen lots of references to preferences of the DD version of a movie or the preferences of a DTS version. Are not these formats supposed to accomplish the same surround affects, but done by separate formats? I guess where I'm leading is will this become the VHS vs. Beta debate of this generation? Which is the Betamax and which is the VHS? I'm sure there are some technical differences that distiguish the two, but all in all, is can one truly discern the differences? If you can tell the differences... is one preferred for one type of content... say live concerts and the other more preferred for Action movies??? Just lookin to learn. Let me hear your views.