A FlyerTalk Posting Legend
Join Date: Sep 2009
Location: Minneapolis: DL DM charter 2.3MM
Programs: A3*Gold, SPG Plat, HyattDiamond, MarriottPP, LHW exAccess, ICI, Raffles Amb, NW PE MM, TWA Gold MM
Posts: 100,399
If lots more seats are added, the aircraft should also have more lavatories as well as larger bins. It shouldn't just be a matter of installing slimline seats to reduce pitch (and AFAIK weight too) while maintaining the same legroom.