Its funny because its true. I know that plenty of people have it in for Macs and I'll probably get a snide comment or two for this, but to hell with it. Everyone in Astronomy uses Macs so at least I won't get any grief at work.
Oh then there's this:
If you're after a bit of balance how about this:
See them all, and more over at joy of tech. Damn I wish I could draw, and also was funny.