OK, one other question form me.

Why are you looking to replace your current tv? If it's the one listed in your sig I'd be compelled to keep it.
Keeping that plasma.(63 inch Samsung- is the theater room TV in our basement)Putting the proposed new TV in our LR.
I had a Vizio with the full array local dimming setup that Pantera is talking about. I found it to be a bit distracting, among other issues that I had with Vizio.