I try most new versions in Virtualbox and see how far I can get with setting it up as a practical work enviroment. I get further with it each time, but there's

I try most new versions in Virtualbox and see how far I can get with setting it up as a practical work enviroment. I get further with it each time, but there's still a lot of huge stumbling blocks (no SMP, for instance) that keeps me from using it for very long.