The interoperability site is now completely under Subversion (once again). Code can be updated either in the production area or the dev area, and the two areas remain in sync quite smoothly.

The caveats:
Images and docs are not stored in the repository. The production area contains 2 non-versioned folders:
/docs
/images

Since the development area uses the same server, I created a symbolic link for each folder above to point to the production area folders.
interop-dev/docs -> interop/docs
interop-dev/images -> interop/images

Note:
The dev area is “down”. We need to reestablish a virtual pointer in Apache to view the dev area.
[UPDATE 2/3] - http://interoperability-dev.ucsd.edu/ is up. Thanks Mason!