That's right buy a computer that doesn't play well with others, unless you buy apple accessories i.e. What to display your iBook screen on a projector? You have to have an Apple adapter
... which is shipped with every iBook. They had to eliminate the ancient, clunky VGA adapter to get the size down. But want to talk interoperability with accessories? Apple pioneered both USB and Firewire.
"What to display your iBook screen on a projector? You have to have an Apple adapter"
Big deal 29 bucks or so. If you are too cheap for that then...