Apple’s long had a strange relationship with Blu-Ray support on its machines, often cited as the company’s hesitancy when it couldn’t get all the concessions it wanted on licensing. Even with this, an interesting article on MacRumors has discovered references to Blu-Ray data from the Gracenote music service in the latest version of the iTunes 8.2 beta.
In short, official Blu-Ray support may not be far off for the Mac.