[henry]

So what are you going to play it on?
Assuming your taking a notebook, does this mean you won't be taking any disks?
What if you have a problem with windows and have to do a repair or God forbid a re-install?

By making a backup, you will be able to re-install it should you need to and still have the original safe.
The NoCD patch means just that, you won't need to have a CD in the drive to RUN the game.