Perhaps a repaint of DTM's excellent GP30 into CB&Q colors?
http://www.trainpix.com/BN/EMDORIG/GP30/19201140/961.JPG
http://www.rrpicturearchives.net/pictures%5C30270%5Ccbq948.jpg
http://www.trainweb.org/screamingeagle/gallery/cbq/appleman/cbq949_ja.jpg
http://www.burlingtonroute.com/docs/rosters/droster_gp30.html