virtualbox-ose 4.0.4-dfsg-1ubuntu2 (i386 binary) in ubuntu natty

 VirtualBox is a free x86 virtualization solution allowing a wide range
 of x86 operating systems such as Windows, DOS, BSD or Linux to run on a
 Linux system.
 .
 This package provides the binaries for the Open Source Edition of
 VirtualBox. The virtualbox-ose-dkms package is also required in order
 to compile the kernel modules needed for virtualbox-ose. A graphical user
 interface for VirtualBox is provided by the package virtualbox-ose-qt.