An anonymous reader writes "This article analyzes Apple's negotiations with record companies and movie studios. It explains why Apple's preferences are aligned with those of consumers. Using a software model, it concludes that the iTunes Movie Store currently doesn't have the software/hardware lock-in that forced the music industry to agree to Apple's terms for the Music Store."
I keep VM versions of earlier MS operating systems and OSs at different patch levels (eg XP/XP S1/XP SP2) for testing purposes when I release software. I'm glad to see the Microsoft does not want small developers to test for compatibility on home versions of Vista.