The Micro-Trains site has an Excel spreadsheet which is updated. To translate into the body styles, there is also a body style spreadsheet.
May I also humbly suggest my Unofficial Micro-Trains Release Report site which contains information on the last seven years of release by year of release and also archives of my reviews and commentary on the releases since 1998, plus images of most releases since 2001, and some features including a few modifications to MTL cars. The UMTRR is my personal contribution to the hobby and it's not affilated with Micro-Trains Line, Inc.
I have just done the December update so all 12 months of reports for the year are out there (archive versions, shorter than the subscriber versions and without live links-- not enough time to maintain them).
I also have a body style table which includes a couple more fields than MTL's does, like first date of release. I'm hoping to eventually have all the prototypes for the body styles included as well, though that's definitely a long term project.
Go to
http://www.irwinsjournal.com for the UMTRR site and several other train related offerings. All cookie free, no obligation, no salesperson will call!
Cheers,
George in Ellison Park, NY
Author, The Unofficial Micro-Trains Release Report
http://www.irwinsjournal.com