The big problem I have with SuperDuper! and CarbonCopyCloner is their inability to do rolling backups. Well, you could do rolling backups, but they are more difficult to set up.
Think about this example: 1) You create a document on Tuesday. 2) You run a full backup Tuesday night. 3) You edit the document on Wednesday. 4) You run a full backup Wednesday night. 5) On Thursday, you suddenly regret the edits you made on Wednesday.
What do you do?
Granted, this is uncommon, but can happen. There are some tricks to getting around that (keeping multiple backups, for example, or not backing up as often).
Situations like that are the reason I prefer something like ChronoSync (http://www.econtechnologies.com/site/Pages/ChronoSync/chrono_overview.html), or rsyncbackup.
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Think about this example:
1) You create a document on Tuesday.
2) You run a full backup Tuesday night.
3) You edit the document on Wednesday.
4) You run a full backup Wednesday night.
5) On Thursday, you suddenly regret the edits you made on Wednesday.
What do you do?
Granted, this is uncommon, but can happen. There are some tricks to getting around that (keeping multiple backups, for example, or not backing up as often).
Situations like that are the reason I prefer something like ChronoSync (http://www.econtechnologies.com/site/Pages/ChronoSync/chrono_overview.html), or rsyncbackup.