IMPORTANT: THE ZUNE 30 PROFILE IS NOT COMPATIBLE WITH THE BOOSTER PACK !
The Zune30 is quite picky in the format of video file that it accepts. Due to a bug in the conversion engine installed by the boosterpack, an incorrect video quality setting is reported to the Zune Software with created video files. The setting [...]

The “Help” menu item in DVD Catalyst provides access to a few handy links.

As of DVD Catalyst 3.80, a new optional booster pack can be used to speed up conversions.