The best of both worlds here. In my case I do need a native Windows install once in a while but most of the time I can get by with virtualization. With this method you can use your Boot Camp partition in Mac OS!
I had to refer to the VirtualBox User’s Manual but I did get this to work. Since I have my Boot Camp partition on a 2nd drive I used:
sudo chmod 777 /dev/disk1
sudo chmod 777 /dev/disk1s1
VBoxManage internalcommands createrawvmdk -rawdisk /dev/disk1 -filename Win7-BootCamp.vmdk -partitions 1
Also, a commenter pointed out that if your Win7 install blue screen’s, change the IDE controller type to ICH6. To do that click on your Win7 virtual machine, then click Settings, Storage.
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