Windows Enabler is a useful tool for who have brake away think....
More detail can be found here:
Good example for what it can do:
How To Boot From A USB Flash Drive
Simply by enabling copy system files in windows explorer format window. By default it is disabled for non-floppy drives. To enable it use windows enabler program from http://www.angelfire.com/falcon/speedload/Enabler.htm an whoila it works.