iMac Intel vs. iMac G5
With an announcement like switching processors, you will see tons of videos like this pop up all over the web. It happened when the G5 replaced the G4, and when the G4 replaced the G3. Now, here is video of an iMac 2Ghz Intel (on the left) and an iMac 2.1Ghz G5 (on the right) booting up. They were both started at the same time, and the results are pretty amazing.