David C. Rankin wrote:

> There is just no comparison. The whole crux of the issue behind VirtualBox
> was to wrap qemu in a sane gui that most people could configure without
> more than reading a howto. I've tried them all and usually have 6-10 guest
> running headless on multiple servers. By my comparison, it is the way to
> go.
> 

+1
I did not try them all but also run what I need headless

> I did use virt-manager (just to do it) and had no issue getting a working
> Arch guest going on an Arch host, but it just hasn't had the amount of
> development that Oracle put into vbox. Try them all, but I suspect I know
> where you will end up.... With the virtualbox-oracle-extensions providing
> USB to your guests, it is hard to beat...