As new player in virtualization field VirtualBox already reach version 1.5.2 .
What VirtualBox have done so far?
Is it good as vmware or Virtual PC?
Dunno, by seeing its implementation You can judge
Googling and forum searching, I found :

Create and Manage Virtual Machines Using VirtualBox, VirtualBox is a general-purpose full virtualizer for x86 hardware. Targeted [...]

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