Ed Tallmadge with Kelar Pacific let me know that this was available today. Thanks Ed!
From the Simpson site (snip):
...At the request of our customers, Simpson Strong-Tie is creating drawings for our product offerings that work with Autodesk® Revit® software. You can download the models we currently have available, grouped into "families", from the links on the right... Here's a screen capture of their site:
This level of detail might be a bit extreme on a large project but used intelligently could be a nice addition to your projects. Be sure to note their willingness to put certain content at the head of the line if something you need isn't available yet. Just let them know.