The best way to make backup dvds is use clonedvd & anydvd programs. AnyDVD is a windows driver that allows copying of copyrighted dvds. CloneDVD is the program you can use to actually copy a dvd straight to a blank dvd-r. These applications can be downloaded here. www.tessastoys.net/dvdstuff.html
funny that you pimp your own site here........... when they are already here to begin with, and many many more guides then you have listed.. anydvd http://www.afterdawn.com/software/video_software/dvd_tools/anydvd.cfm clone dvd http://www.afterdawn.com/software/video_software/dvd_tools/clonedvd.cfm