DGML Power Tools is a VSIX package for Visual Studio 2012 that adds a bunch of handy new DGML related features, including export to SVG, Drag/Drop of images, Graph Diff, and new providers for the Architecture Explorer.
Save as SVG
You will see the "Save as SVG" command in the Directed Graph Document Context Menu, you can specify a file name ending with .svg and you will then see the result loaded in IE.
Neighborhood mode, which is on the Directed Graph Document toolbar:
Drag/Drop icons onto the canvas so you can wire them up with links and groups and create some really nice looking diagrams:
In fact you can drag any file on to the canvas to get a node with a Reference attribute pointing at that file
You will see the graph compare command in the Directed Graph Document context menu:
For the architecture explorer:
1.2 Make Save As SVG show up under Share menu on new Graph Document Toolbar, if you have VS 2012 Update installed.
1.1 Fix bugs in SVG exporter
1.0 Initial version