You probably know that Windows 8 comes in two different versions—Basic x86 Windows (this is what you use now) and Windows RT. They have similar names. They look the same. But there are serious differences between the two—ones you should know about before you plunk down your cold hard cash on a Microsoft tablet. Surface—and other Windows tablets that follow it—will come in both Windows RT and full Windows varietals. Which is great! More choice is always better. Read the full story at Gizmodo.