Are we talking about a reinstall after say a failed hard drive?
If so I would imagine that if you had done a backup of C: Drive on to a CD using PowerQuest's Drive Image. You could then do a clean install of the OS, and just copy back the saved image of C: Drive.
On the other hand if it is just a case of restoring your system after you have cocked up, then the following works fine.
I had a Compaq PC with a version of PQ's Drive Image incoperated into it. This automaticaly partitioned and automaticaly adjusted that partition as needed on your C:Drive. It then saved a compressed image of C:Drive on to that partition [you had to do this manually]. Which enabled you to revert back to the last saved image of C:Drive if you cocked up. Of course you had to remember to backed it up on a regulare basis, and the latest backup wiped the previous backup off.
But better than the last use explained for Drive Image, is Nortons newly aquired 'GoBack' [bought from Roxia just recently]
It automatically saves an image of your C: Drive and any partions therein. All you do is press the 'Goback' icon in the tool bar and it gives you options to revert back to a period in time, be it 10 mins, an hour,two hours, 6 hours, start of the day, yesterday, day before yesterday...get the picture. Great for sorting bad downloads or driver or program installs, or you mucking the registary up
or deleting files you did not mean too.
But like the last explained usage of Drive Image, if the hard drive fails it cannot do a restore.
Hope this helps