My impression -- and this is entirely based on superficial observations and a massive amount of extrapolation, so I may be entirely off-base -- was always that

My impression -- and this is entirely based on superficial observations and a massive amount of extrapolation, so I may be entirely off-base -- was always that VirtualBox's priority was always speed (security was nominally there, but felt retroactive), and VMware's was always security (speed was nominally there, but felt retroactive). Would be nice if someone could clarify whether this was/is accurate.