the matrox device is just a piece of hardware - its not software. no drivers. nothing.
you have to test these things for yourself to see if they work well enough - its just video gear.
and you will have to test the resolution output.
What kindof resolution are you thinking of?
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catalyst itself wont play back any more movies - so your restrictions on number of layers will be dependant on hard discs as always.
how many movies do you need at once on your show?