I follow the setting in this thread: http://forums.camerabits.com/index.php?topic=3794.0
and make the star ratings inter-operate with CaptureNX 2. But the color labels don't sync up.
How to make PM inter-operate with CaptureNX2?
Are you embedding IPTC4XMP into your NEFs? Have you set PM to synchronize color class labels with the IPTC Urgency field?
-Kirk