Yes, you can have convincing HT and satisfying music sound. Just go 2 channel. Start with a pair of Zu Definition speakers. You'll get convincing spatial coverage and rock-solid anchoring of dialog to the actors on screen. You'll also get all the dynamic energy essential to film emotion along with seriously superior fidelity. Get a preamp with HT pass-through just in case you backslide into X.1ch. More to the point, if you find you really MUST add rear and/or side channels, Zu has some slender options. But you won't need them. The right two channels aren't just enough, they're better!
Phil
Phil