I just had mine replaced two weeks ago in LA and they didn't have any problem getting a top for me.
Retropete posted here in June 2013 there was a difference between 2011 and 2012 based on a review of the service manuals (look for post 161):
TOP Tearing issue
@Retropete, any specific details you can share on what you noted as different in the years and what pages of the services manuals you noticed the differences? (I was curious myself but never dug into it)