locomotive brands

Every Christmas I do a large window display where I like to have a G scale train driving around. The train is on a timer and runs on and off through out the day. However my basic Bachmann train is not reliable. The wheels needed cleaning once a day and when the timer turns on the loco often...

So, since I am new to model railroading, I am trying to get a perspective on the various manufacturers of locomotives. I have compiled a list of the various brands that I am aware of and with which I have had some experience. Kato: Kato seems like they have the right blend of variety, sturdy...