File extracted from Windows 7 XP Mode RTM Downloaded from Technet.
Included is VirtualBox and VirtualBox Portable.

VirtualBox is a family of powerful x86 virtualization products for enterprise as well as home use. Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely available as Open Source Software under the terms of the GNU General Public License (GPL). See "About VirtualBox" for an introduction.
Presently, VirtualBox runs on Windows, Linux, Macintosh and OpenSolaris hosts and supports a large number of guest operating systems including but not limited to Windows (NT 4.0, 2000, XP, Server 2003, Vista), DOS/Windows 3.x, Linux (2.4 and 2.6), and OpenBSD.
VirtualBox is being actively developed with frequent releases and has an ever growing list of features, supported guest operating systems and platforms it runs on. VirtualBox is a community effort backed by a dedicated company: everyone is encouraged to contribute while Sun ensures the product always meets professional quality criteria.

uSbuntu Live Creator does almost the same thing as the USB Live Creator included in the 8.10 except it has more features.It is working with Ubuntu, Kubuntu and Xubuntu and it allows you to run your USB key directly in windows without any software installation nor configuration, using a special portable version of VirtualBox.It’s really easy to use.

Creating an uSbuntu key is a five easy steps process
step 1 : launch the uSbuntu Live Creator and choose a USB key or drive in the list
step 2 : select a ISO file or CD of Ubuntu/KubuntuXubuntu 8.10 Intrepid Ibex
step 3 : choose the size of persistency data (usually more than 250MB)
step 4 : check the options you want
step 5 : click the thunder to start the creation
Do not forget to use the customized helps (top-right end corner of each step).

This version is built from a MSDN version of XP x64 sp2 that comes sata ready
This version is the most tweaked and has the most apps of any I have ever done
as this will most likly be my last xp x64 build ( down the road if there is any major improvements I can do
to XP x64 I will release another)
This build includes IE8