What other locomotive that has not yet been made in O gauge do you think would attract more buyers? None,
in my opinion.
MELGAR
Well Lets see we have the:
Siemans Charger: Demo,
Amtrak
Washington State DOT
Cal Trans:
MARC
Coaster:
Bright Line[ Abeit a different Nose cone]
Then there is the GE B23-7
Conrail, ATSF, L&N, MP, P&W, SCL, CSX, SOU, SP, UP, NS, BNSF, AOK, etc...
https://en.wikipedia.org/wiki/GE_B23-7
EMD GP40-2 PhII & PhIII
https://en.wikipedia.org/wiki/EMD_GP40-2
And the MPI MPx express MP32/36/40
Marc, Metra, Boston T, GO transit, Rail Runner, Caltrans, etc...
https://en.wikipedia.org/wiki/MPI_MPXpress