You need Zinstall zPOD
The product you need is Zinstall zPOD.
It will capture your entire computer - with all your programs, settings and files - to an external hard drive or USB drive. You'll then be able to plug that drive into any computer, anywhere - and instantly use your entire familiar environment, no installations required.
zPOD is also a "runnable backup" of your computer - even if the original machine burns down, your zPOD will allow you to access all your programs and files, instantly - as if nothing ever happened.
zPOD works for XP, Vista, Windows 7, both for 32 bit and 64 bit systems.Click here to read more about Zinstall zPOD