Make sure to try and have at least two data points installed with ya gear.  Internet streaming on demand is the future... As for the rest best to get an expert in to measure and see exactly what your needs are.  Easy to flush a couple of NIB purchases worth of cash into a set up.

I Hear what you are saying
I just upgraded to a new smart TV, and with the NBN being run down my street right now. I will have to take online viewing into consideration

I am asking here first as I have found specialist home theater businesesses don't listen to what I want