Apple WWDC 2006-Windows Vista Copies Mac OS X
Before you reach for the comments button to flame me, please understand I am so over the OS "war." Use whatever computing platform you feel comfortable with. However, I was at WWDC this year, and I thought this was the most entertaining part of the entire keynote. I'm glad to see someone snipped it out an put it up on YouTube.
Bertrand Serlet discusses the eerie similarities between the UI elements of Mac OS X Tiger and Windows Vista. Whatever platform you prefer, you can still laugh at this clip.