Looking for a video camera??

I'm looking for a video camera, it'll be my first one, and i was wondering what i should look for, what is bad and what is good, and any particular brand/models you reccommend? I'm a keen photographer, and know what to look for in a camera but not one of the video kind. My budget is about $500-$700
Update: I'm leaning more towards a high-def one
Update 2: probably a bit more than i want to spend but hae seem some cheaper high-def ones around
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