OS X 10.7.3, BMD Desktop Video 9.6, Multibridge Eclipse, FCP 7.
After setting up this configuration, we've found that the vertical blanking is now off when we output via FCP. I don't understand blanking very well so I'll quote the technician: "Active video coming out of the room is shifted by one line. It goes from 22 to 561 instead of 21 to 560". I can get a better explanation and more data if needed.