> i'm sure 99% of users won't even realize they're a version behind The people clamoring for launch day or early access to the latest model "won't even realize

> i'm sure 99% of users won't even realize they're a version behind The people clamoring for launch day or early access to the latest model "won't even realize"? I'm going to agree to disagree on that one. They'll realize at first boot and the very different login screen (especially if they're upgrading from a previous Mac).