Here is the feedback I received from Autodesk regarding this issue.
"After some research and discussions with our Development group, it looks like Bring to Front does not work in 2013 for filled regions when the background is set to transparent.
At this time, we do not have a workaround or than changing the detail families as I mentioned previously. We understand that this may not be the preferred workflow, but the permanent fix for this issue requires that the code for Revit be modified. Because this issue has just been logged, there is no specific timeline for when any fix may be released. If an update is released, I would review the accompanying documentation to see if this fix is included."
I fully expect Autodesk to come out with a patch for this pretty quickly as I'm sure a lot of their customers will quickly become frustrated with this issue.
Another good reason to keep your Revit "Builds" current...