^^This
More about backups than storage, but still relevant:
If there's a disaster, I prefer to have a quick recovery, hence my strategy of two external backups: one connected to the backup server (yep, backups of backups) and one in the safe.
ViceVersa Pro keeps it all up-to-date. Although we still measure our bandwidth in Kb/s, I'll continue to embrace our current strategy until the internet reaches Gigalan speeds. In other words, for the foreseeable future.
One last bit (and a bit of a turn-about): One purpose of our backup server is to make local backups of data that our customers store online. Although I have perfect confidence in the efficacy of online resources, I prefer to have local backups, just in case...