I think its a new line for Canon bridging the gap between their XXd series and Xseries. So expect a 60d in the future.
I was able to test a pre production unit in a actual field test for landscapes, Canon Phils. wanted a review.
My review can be found here...
http://www.flickr.com/photos/edwinmartinez350d/
http://edwinmartinez.deviantart.com/
I also tested it for infrared.