Idustrial Revolution has used the power of Motion's 3D text engine to develop a plugin for Final Cut Pro that can build dynamic 3D video walls with ease.
Staying within FCPX, you can only 'gather up and copy media' which isn't ideal. At the recent Faster Together stage at NAB, Chris Steele from Marquis Broadcast demonstrated Worx4 X that copies and trims media saving a lot of disk space.
Subtitles, love them or hate them, they are an essential part of constructing a programme for domestic or international distribution. Jan Willem den Bok has written a plugin that speeds up the process of building subtitles in a show on an FCPX timeline.