Compression Setting Question - Full Quality

Hi,
I am putting together various video sources for a performance (some created in FCP others in iMovie). The show will use a PowerBook and project the movies on a big screen.
My question is: when I put it all together, what is the best setting I can use to compress the file to be most effective for projecting the footage on an overhead? iMovie has the full quality DV setting, and FCP has the export to quicktime option ... does it make sense to leave it at what they create, or should I use compressor for more efficiency?
Thanks,
Damon

It will be playing out of the DVI port, I believe, although I suppose the S-Video feed is an option.
What is AIC ? I have not heard of this ...
Thanks,
Damon

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