We will see.
If I wanted a Tablet running a desktop OS, I could have bought one 10 years ago.
What makes the iPad great, is the OS. If someone takes down the iPad one day, it will be an Android device, or a yet to be created touch OS we don't know about.
Windows 7 is not going to do it. Apple has one of the best desktop OS's in the world, and there is a reason that's not on the iPad.