the DVX has alot of manual control. And the image quality looks better then most. Although if you dont have a Depth of Field adaptor on your lens, it will look like regular DV.
Besides that from personal experiance the DVX is a great camera to use. I've used XL's Sony's, and such... and so far the camera which I would choose, if you are to be making shorts, docs, etc.
I made a quick comparison on the forums using the DVX. here...
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... if you make a quick search you'll be able to find alot of threads which ask the same thing as you...