I have looked briefly at it, but come up with a similar...

I have looked briefly at it, but come up with a similar conclusion to this one....ie you pay a premium up front for the 10 year lease...rent guarantee the whole time...so never out of pocket....
they should go better in the popular places....coastal strips
in the old days they were simply public housing...taken over by the defence...so in that case...the capital gains are not the same as a non public housing estate...
inferior locations...
but you are better googling the question for a wider response.
http://www.about-investment-property.com/defence-housing.html