As an ex-developer of a company who had servers co-located with them, I'm feeling mighty smug about using our own backup system instead of their in-house one.

As an ex-developer of a company who had servers co-located with them, I'm feeling mighty smug about using our own backup system instead of their in-house one. As mentioned earlier, bandwidth in Australia is prohibitively expensive so the choice wasn't as simple as "use both".