the ibooks had problems, you're absolutely correct.
sorry you had a bad experience, my 6 macs have been humming along under daily use for 3 years now without issue, and I'll never go back...
What keeps me using them is the software (use Limewire in place of Kazaa, check
http://www.versiontracker.com/ for Mac software) and the OS which I believe, as a practicing computer engineer, to be the finest, most well engineered, OS on the face of the planet.