joelh- I bet after the opening credits of a movie you and your family have a headache, I know I would with all the blood rushing to my head by sitting upside down...do you clamp yourself into your recliner also or use seatbelts?  Just curious 

Seems like for awhile it was just myself and Cisco HD at the forum, picking up steam-good to have you join us.

I believe on the Blu-Ray forum-I belong to a few though-Blu-ray forum, Audioholics and of course AV.

Figured I would ask since I read a couple of things in the forums on other websites.

My receiver has a delay function what you can set up manually if the voice/lips are out of sync...check in  your receiver for a setting

Here are some ideas....it will be hard though to seat that many people without a big space.  http://www.avsforum.com/avs-vb/vbclassified.php?do=category&categoryid=41 Have you thought of a inflatable screen and a projector for outside use?  That would be your best bet to accomodate that large of a group and the plus side would ...

Did you use Audyssey calibration at all?  Also does it have the feature pack upgrade?

Nice setup.  I agree with Jason pull the Towers out a bit.  Enjoy your HT/Music.  I just watched a blu ray tonight with the family.  We watch around 4-7 blu-rays a week, the Aperions have not disappointed yet.

I use Audyssey on my Denon 3808ci.  They have done a few firmware updates through the internet.  One was for the sub.  Anyways after I put my mic in the 8 positions Audyssey recommends, I use Audyssey setting with Dyn. EQ engaged and Dyn. volume off for movies.  I also measured the distances (Audyssey was close) and manually ...

I agree with PJ.  If you plan on retiring soon I would go for the 6 series and not look back.  Your 4310 receiver will drive the 6Ts great.  Even though you are purchasing for HT room in the future I bet once you play some music on the 6Ts set to Large you will be listening more.