You might have gathered from some of my more recent posts that I've switched platform. My main machine is now a Dell laptop, running Ubuntu 8.10.
I've been using Macs since 1986, and have owned one more or less continuously since 1989. Machines that have been through the mill of my day-to-day keyboard bashing include the Mac Plus, LC 475, PowerBook Duo, iBook and MacBook Pro. I've earned a living writing about Macs and attended more Macworld Expos than I can count.
But unless Apple has a change of direction and creates some very different machines, I think that I've probably bought my last one.