Windows 8 might have a feature that allows you to mount ISO files. In Windows 7 a new feature allowed us to burn ISO files, so this is the next logical step and only makes sense to implement into an OS.
The latest Windows 8 build 7976.0.110401-1700 allows you to mount ISO files by simply accessing this option via the Windows 8 context menu. According to the latest rumors, a new Ribbon UI might be implemented into Windows 8, so maybe they will dedicate an entire tab to disc management (burning, mounting, inserting, ejecting, ..)
Let’s take a closer look at the Mount ISO option: