Aperture Universal Binary update will be free
Apple changed the wording of the crossgrade offer at their Aperture page
. Previously, all Pro apps were said to cost 49 USD for a crossgrade from the latest version to the Universal Binary. Users are urging Apple to stop asking for money for these "crossgrades", since they're not functionality updates, but merely compatbility updates. – The reasoning of the users is of course this: "I've bought a professional application that runs only well on the newest Macs. Now when I buy an even *newer* Mac, you ask for money because *you've* changed the underlying architecture?!" I think those users are right.
The Universal Binary update to Aperture will be downloadable through Software Update. Just like it should.