Our living room is 15 x 20, so we would be sitting about 14-15ft back from the LCD/Plasma. I need to decide how big I want to go, but currently thinking something around 50" +or- 3dB.

Running all the wires and connections is not going to be fun.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85