I'm very happy with mine.
I did consider the 6D but as I was intending to use the camera with the hyperstar lens, I decided to go with the 60Da as it is a bit lighter than the 6D.
Here's a some pics using the 60Da
http://www.iceinspace.com.au/forum/s...d.php?t=107178
http://www.iceinspace.com.au/forum/s...d.php?t=104403