It's an argument that has been around for almost as long as Macs have been rivaling PCs. And despite the fact that so much has changed over the past few decades, the argument still arises almost every time Apple introduces a new computer. No, it's not the argument of "PC versus Mac" from a software and compatibility standpoint; that's an entirely different animal worthy of its own analysis. This is an argument over dollars and cents. For years, PC loyalists (or just those who are anti-Apple for one reason or another) have argued that Apple computers are more expensive than their similarly equipped, Windows-based counterparts. From notebooks to desktops and pretty much anywhere in-between, many have complained passionately about the so-called "Apple tax.