In case you missed the reminder
Download your copy: http://www.virtualbox.org/wiki/Downloads [3]
And don’t forget to install the Extension Pack which provides Support for USB 2.0 devices, VirtualBox RDP and PXE boot for Intel cards. See this chapter from the User Manual [4] for an introduction to this Extension Pack or my previous post for installation instructions [5].
Links:
[1] http://pulse.veltsos.com/category/it/software/foss
[2] http://pulse.veltsos.com/category/it/virtualization
[3] http://www.virtualbox.org/wiki/Downloads
[4] https://www.virtualbox.org/manual/ch01.html#intro-installing
[5] http://linux.philosweb.com/drupal/content/virtualbox-4120-out-and-ready-download