Gaining root access to a is not as difficult as most people would have you think. To quote this article:
On February 22, a Sweden-based Mac enthusiast set his Mac Mini as a server and invited hackers to break through the computer's security and gain root control, which would allow the attacker to take charge of the computer and delete files and folders or install applications.
Within hours of going live, the "rm-my-mac" competition was over. The challenger posted this message on his Web site: "This sucks. Six hours later this poor little Mac was owned and this page got defaced".
To quote this article:
"Want more speed from OS X? The operating system is pretty good at keeping itself in good shape, so there isn’t actually a whole lot you can do to improve OS performance. You can, however, give it a few little boosts. None of these techniques will turn your aging G3/500MHz iBook into a new dual-G5 Power Mac—but every little bit helps."
The first Intel Mac Mini's are just starting to arrive to consumers who ordered them on the 28th. It even looks like the Mac Mini's will be upgradable.
iPodLooks like the next iPod will deliver "true" video with a 4 inch display.