Adjustments > Black and White – A poweful new command in the Adjustments category that creates believable black and white conversions. With CS3 Extended, you can run it on footage too.
Adjustments > Shadow/Highlight – This powerful command makes fixing dark shadows and overblown highlights a snap. Be sure to check the More Options box for extra power.
Adjustments > Invert – Useful for swapping transparent areas on a mask or channel.
Calculations – This is truly a powerful way to create an alpha channel.
Variables – These allow you to define variables in a template, then quickly input new data to create additional graphics.