can i ask something?
because my iphone 2g missing alrdy...so all the inside like contact are missing alrdy...but is it got a backup at i-tunes?
And if i buy a new iphone3gs then synchronize with my currently computer(which synchronize with iphone2g before)...so is it the all contact or photo or song will automatically replace into my new iphone3gs? thanks! need the answer urgent...

p/s:if cannot pls teach me and help me how to do.