"The number of HDMI ports and interfaces is basically fluff " true if all you want is to hook up a cable box and dvd player. When we bought ours it was $50 more for the second HDMI tuner so why not.

You didn't mention 1080 versus 720P. You want 1080 for true high def.

Here is a very good site run by a local.

http://www.hometheaterspot.com/

Also notice if you join you can qualify for their group buys.