Indy,
That is where the setting used to be. Since updating to V5 there are no network options from which to choose (or at least I can't find them)
Ketan,
Having multiple back up plans and destinations is the ideal (as Bert will tell you). But, believe me, not all the offsite back up resources are easy to restore from. I back up to MozyPro and when I crashed, my data was not easily recoverable.