We implemented automatic backup using our own Automation Workshop actions, namely, Zip files Action, Export registry Action, and a couple other. This means that Automatic backup is acting like regular Automation Workshop task — it writes in Service log file (success and failures), it can be easily extended or changed, users can even implement they own backup tasks easily.
Also, it is interesting to note that our internal automated test cases have just passed more than 1500 items. We are using a special kind of test driven development. Of course if we split all test cases into smaller peaces, there will be far more than 15,000 items, but in our metrics it is more that 1500, and each of the test case has taken [on average] more than 1 hour to build. So it is approaching a one year of full time work (WYE).
And one more thing, in 753 days Extended support for Windows XP will end. For our users this means, that after this date we will stop releasing fixes for Automation Workshop on Windows XP. Windows Server 2003 support will end about year later. Both Windows XP and Server 2003 are based on the same codebase, so most probably Automation Workshop will run on Windows XP a year after Extended support ends.