I know it's not part of the options but I think you should check out the LG TVs for the same price point.
I have a 2012 LG model that still kicks ass compared to a 2013 Sony at a family friends house. It has it all, from cabled to wifi, etc. I cant use the wi-di though coz I don't have any wi-di enabled gadgets.
The downside of LG is their apps. It's not as rich as Sony or Samsung, which in my opinion has the best and most app collection. But since you are not considering internet TVs, this wont be a issue with you.
And if you are spending that much, consider 3D. It is awesome