Hi there 7global has been providing SaaS hosting for years- one of the first in fact.  Website is:  www.7global.com.

It is becoming increasingly speculated that Google’s strategy is not about putting all it’s eggs in the SaaS basket but in creating a seamless offline and online experience which, it is believed, could work something like this:- Google Desktop is used to synchronise your local drive with your GDrive (obviously still speculation ...