Paul Thurrott's SuperSite for Windows: Replace Your Hard Drive Using Free Windows 7 Tools »

Many readers are likely familiar with the fact that Windows 7 comes with a fairly comprehensive backup solution that includes, among other things, the ability to create a so-called system image of your entire PC. This system image is, more precisely, an exact duplicate of the hard drive(s) in your PC, in VHD (virtual hard disk) format, and it provides you with the ability to fully restore your PC to a previous, known-good state.