If leases count for anything then Amsterdam Leasing has available an Alco RS-1 and a C-420. See Railswap ad#5541. http://www.railswap.org
Both of the units are stored on the SRNJ. Pics of the RS1 and C420 can be found at www.srnjrr.com as well as this forum site. The RS1 is the exWT unit.
Brian