DVD Shrink v3.0 Beta 5 (It's Freeware!

) for ripping/re-authoring...
...and Nero 6 for burning (it can be found practically for free!

)
Nero is great because you can select the write speed (Don't try to write a 1x disk @ 2X, kids) and it will even "Verify Data" after the disk is written.
Sweet!
IMHO, DVD X Copy (Gold, Express or Platinum) is a waste of money and produces inferior disks that contain "Backup DVD" and "FBI" warnings...
They will also write 1X disks @ 2X, often with POOR results (artifacts). The last time (and only time

) I used CloneDVD, it refused to copy a copy-protected disk.