i also look forward to their troublesome trucks too. it looks like the faces will be 3D as well. I always wonder if I can actually swap out the cog wheels with traditional tomy train wheels. It is always on my to do this, but it always fall through the crack. Has anybody attempted this yet?
My Trackmaster/Tomy/Plarail Photo Gallery Page (over 600+ photos and still under construction)
https://www.flickr.com/photos/183311600@N03/
https://www.flickr.com/photos/183311600@N03/