But Uncle Steve, I thought Intel chips were faster?

 The biggest problem I can see with Apple's switch to Intel is the fact that Apple will have to work against much of its own marketing. Take, for example, this graphic (source):

According to this chart the PowerPC smokes the Intel chips, and does it handily. Therefore, when Apple is selling Macs with Intel in them AND Macs with PowerPC's in them how are they going to deal with the Megahertz Myth (in reverse)?