Sun Solaris is widely seen as true child of holy unix. This flavour long remained a geek ingredient for selective community with garage hardware or elites with enterprise server reach. Virtualization brings this lovely platform to everyone alas Sun sets even before virtualization could catch up in Oracle ocean. Anyway here is Open Solaris virtualized.
Here is Grub BM with OS startup
Solaris Up and Running in Virtual Container
A Live Edition of Solaris in operation