I don't know if this is pertinent but it sounds like it could be employed.. whenever Singularity becomes available...

http://research.microsoft.com/os/singularity/

The part about SIPs.

Some comments on http://www.darksideprogramming.net/2...syst.html#more

[It was on Slashdot and I hate starting threads that simply copy those news ] But after a quick read it seemed that it could apply.