The WbB 2014 catalog is online. Looks like the 4-8-4 and 4-6-4 are still available. If you mean "new" offerings, there is a Ringling Bros and Barnum & Bailey version of the 4-6-0. FWIW, if they offered an N&W version of the 4-6-0 (Class V) I'd buy it. Beyond that, I dunno.
Gilly