Here is a great forum, if you are not already familiar with AVS, all about the A80J series TVs. Lots of good info on set up and picture settings in the first few pages of the thread. It's a lot to look through but thdree are some very helpful folks on the site so ask questions if you have any. They have helped me out a lot.
First things to know about the A80J. The A80J is available in 55", 65", and 77" sizes. The 55/65 models have a "semi gloss" screen coating, meaning instead of looking like a clean sheet of glass it looks slightly softer but only in reflection handling. In content should not really appear...
www.avsforum.com
And in this link answers, for the most part, the question you had about which ports to use:
First things to know about the A80J. The A80J is available in 55", 65", and 77" sizes. The 55/65 models have a "semi gloss" screen coating, meaning instead of looking like a clean sheet of glass it looks slightly softer but only in reflection handling. In content should not really appear...
www.avsforum.com
Enjoy your new rig.