Getting latest Sitefinity version number programatically

I am trying to track the version number of several Sitefinity sites and check them against the latest version. I can get the version number of the Sites programmatically but have yet to find a resource to give the latest release number. Joomla provides the following;

update.joomla.org/.../list.xml

Which is very helpful, is there any such resource for sitefinity?  I have located an RSS feed I could use but it only provides the major release numbers and using it won't be as neat as an XML or JSON resource.

If anyone can offer any suggest it will be much appreciated.

Thanks.

Hi DJ,

I can suggest you use information from Sitefinity's NuGet server.

http://nuget.sitefinity.com/api/packages/search/Telerik.Sitefinity.All?skip=0&take=20

This JSON contains information about all releases (even internal builds)

Hi Victor,

Thats  perfect, just what i need.

Thank you very much.

DJ