Curious. I went ahead and updated, as my use of VirtualBox isn't critical to my workflow. I received warning during install of the unsigned kexts, but the warn

Curious. I went ahead and updated, as my use of VirtualBox isn't critical to my workflow. I received warning during install of the unsigned kexts, but the warning stated that they would be loaded anyway. I'm now running vbox 4.3 just fine on Mavericks GM.