Originally Posted by AAerSTL

The US and AA seat are from the same manufacturer-B/E Aerospace, only thing is AA has the 7-series model and US has the 3-series model.

Having flown both seats, the AA suite is far more private as it has a larger shell enclosing it, better padding, more storage and of course better IFE content.

http://www.jpadesign.com/transport/project/7

Let's not forget that US is the airline that doesn't activate the IFE system when flying domestically because they are too stingy to get adequate licensing from the content providers. It's non-sense like this that AA pax don't want to be a part of through this stupid merger.