Seems all you omitted was a link to download "SD".
EDIT: odd,
http://www.shirt-pocket.com/ seems to be offline at the moment.
EDIT #2: As further fuel for the debate, i do recall that SuperDuper has received worthy praise in the past...
[you'll even notice that CCC's webpage specfically mentions "Backup Bouncer" nowadays, as an indication of how much it has improved (vis-Ã -vis those two articles above).]