rsync does that, too. Plus it's open source and has a nice, easy-to-automate command line interface. You can even use it to securely backup to another machine over the network (via ssh).The curent version of Carbon Copy Cloner has this feature, too.If you want to clone frequently, cough up the $28 for SuperDuper. It has a 'smart update' feature that only copies changed files after the initial clone, so subsequent clone jobs finish much more quickly. You can also schedule jobs with the paid version.
a.Stranger: talk to her
AnneOnymous: she's away... "workin' til 5"
a.Stranger: she drank last night illegally
AnneOnymous: that's a pity, but i can't do anything about it.
a.Stranger: yes we can
a.Stranger: we can make her pay
a.Stranger: lets make her pay
a.Stranger: i want her to pay
AnneOnymous: but i don't like it because i wish she, indeed all people, would treat themselves and others better, not because i have some deep-seated hatred!
a.Stranger: tell her to a
a.Stranger: alt.Stranger: how could you sleep with philip heinz?
ThatGirl: leave me alone archibald
ThatGirl: i did ok
a.Stranger: she is evil
a.Stranger: we had sex one night, which was good, then she goes and sleeps around with others
AnneOnymous: you naughty kids!! serves you right!
AnneOnymous: so why are you telling us all this?
a.Stranger: she enjoyed that night
a.Stranger: i stil