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If you have the same problem, i have a solution

With the app Slowmo, i can convert any video file (avi, mov) into a good file for iMovie , directly on the iPad. IT is fast and the Quality is Good

Regards
 
Since I posted in this thread 6 months ago I thought I'd bump it to say the new version of iMovie now sees all the movies synced to my iPad 2 using Aperture.
 
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