Is there a good place to keep updated on Carcassonne News?
Boardgame Geek's Carcassonne family page; which collects information on all of the Carcassonne games. You can also search for "Carcassonne" and get a list of all the games and subscribe to the individual games of interest.

Just sign up, click "Subscribe" and you will stay up to date on all Carcassonne news.