is it possible to turn the video preview thumbnails in the timeline off?

i thought this might save my computer for extra memory usage and speed up the work process

Cant see how, I suggest you contact the vendors, they are vewry good at helping out with questions and problems.

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I have two prejudices - I am anti HDV for consumer camcorders, and I eat mooks who claim to be pro wedding vidders and ask dumb questions.

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