Southwest is getting new planes and redesigning the inside of old planes. They are adding more seats, changing the leather, changing the ability to put things into the seat pocket, changing the ability to recline as much.

Not sure how I feel about it - but it is pretty at least.

http://blog.apex.aero/cabin-interior/new-aircraft-interior-will-allow-southwest-to-boost-capacity-by-over-2500-seats/