vb is, as far as i understand things, similar to qemu + qvm86, if that's any help. [i've since re-read both and i don't really understand your point. you desc

vb is, as far as i understand things, similar to qemu + qvm86, if that's any help. [i've since re-read both and i don't really understand your point. you describe 3 approaches: emulation, [hardware] virtualization, and paravirtualization. qemu (alone) does emulation; qvm86 does virtualization; vb does both (like qemu + qvm86). i get the impression you're correcting some mistake i've made, but i can't see what it is...]