Integrates with keychain meaning you can have a passworded private key without having to play around with ssh-agent and shells and profiles. Put keychain access in the menu bar and you can lock the keychain on demand as well. Integration of ssh into the OSX workflow is absolutely awesome.
That and some of the examples in that article really make it a killer platform for Unix bits.
That and some of the examples in that article really make it a killer platform for Unix bits.