Steve,
My shopping list gets smaller every year as I usually find one or two items on it at York. I'm down to the hard to find or very expensive items.
--Lionel 6-58509 LCCA NS Lighted Eagle 2012 Convention car
--3rd Rail PRR 4-6-4-4 Q1, unskirted
--PRR USRA 0-6-0 (B28); MTH 20-3453-1 or AtlasO 1703-3 or -4
--K-Line K4680-30007 PRR 18" Pullman "Chambersburg Inn"
I'm also always looking for Weaver B60 baggage and RPOs, Atlas X-29 Express boxcars, and MTH R50s with car numbers I don't already have to add to my express train.