The only thing with the BenQ is it has 12ms response time, compared to 8ms on the other 2. Now, that isn't that big of deal as mine as 12ms and doesn't have any ghosting problems, but lower is always better.
To me, DVI input would be a big deal, which would make me lean against the Samsung, even though they are one of the top LCD screen makers. I haven't heard much about Hyundai, that is a new one to me that they make LCD's. I would research their quality first, but it does have both DVI and 8ms response time.
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