Yeah, they probably will. All the video-based pro apps share the same underlying GUI framework. Aperture probably shares this, so similar features will probably be in the next versions of FCP, DVDSP, Motion, Compressor, Soundtrack, and LiveType.
Similarly, new apps in iWork (spreadsheet? database?) should look very much like Pages and Keyword.
Seems like Apple has at least 3 levels of app GUIs: