[Dinsdale]

If the OS is secure, Windows exploits would be disabled.

Leaving only the Linux and OSX exploits?

How about virtualized Windows, OSX, OS/2, VMS, MVS, AS400, HPUX, System V, Solaris and Linux. All running under NetBSD.

[js1138]

Within five years, entry level PCs will have eight cores or more, so why not? With multi-core chips, you could have an IBM mainframe chip, a 400 chip, a VAX chip, all native instruction sets, no emulation.