[ebuild     U ] app-emulation/virtualbox-4.1.8 [4.1.6-r1] USE="additions extensions java opengl pam pulseaudio qt4 sdk vboxwebsrv vnc -alsa -doc -headless -python" 
[ebuild     U ] app-emulation/virtualbox-extpack-oracle-4.1.8 [4.1.6]