For you Windows Home Server version 1 users out there who don't want to migrate to WHS 2 (like me), there is hope ahead in the guise of Windows 8!
The features described in this MSDN Blog are similar to Drive Extender, but take them way further. I'm looking forward to seeing how this can be implemented for consumers. One key usage will be twin drives in a laptop.
Virtualizing storage for scale, resiliency, and efficiency - Building Windows 8 - Site Home - MSDN Blogs:
'via Blog this'