Most important though is that Lionel should ABSOLUTELY produce scale passenger cars with the nifty spring loaded coupler that they have used in O on the S-3 and the new Autoracks.
I would second this! Scale passenger cars with nice interiors and correct diaphrams would be excellent. I would be interested in either heavyweights and sleepers or possibly streamlined cars, depending on what was offered. If it were round roof, Harriman style cars or accurate Daylight streamlined cars? Well, lets just say I would get quite a few 
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IMO, the new auto racks are the best mass produced rolling stock that Lionel has done and the telescoping coupler is GREAT for anyone who wants to run a long, scale length car on tight radius. I think it could even be designed to accept either the traditional flyer knuckle or even a kadee if someone needed to go that route.
