This;
(ignore the messy wires- not done yet!)
70" 3D TV, full led array backlighting, 4 color pixels, wifi, blah blah...
yamaha rx-a1010 7.2 (+2) fully upconverting surround reciever,
pair of Peavey 215 concert stacks,
pair of Polk Audio 10" subs,
And various other things necessary for an amazing home theatre
Here is my 42" tv, for comparison;