Video Soundboard

I've been looking all around for something similar to a flash soundboard but to use with video clips as well.

The Star Wars website has a flash page with the ability to string together a bunch of audio files within a timeline and email to friends. It gave me an idea that we could use in my office that if we could build a flash video timeline we could build an online video gallery and build sample reels to email out to potential customers while someone sits and creates a full DVD if needed.

Does anyone know if this type of application exists or samples of sites that has, for lack of a better term, a video soundboard

Thanks,
Rich