Only a few weeks ago I tried the equivalent DisplayPort to VGA adaptor which was impressive.
This little DVI-D adaptor is, if it's at all possible, even better and provides an absolutely rock-solid picture at its full resolution of 1900 x 1200.
It connects securely to my standard DVI cable and the other end plugs and latches into the DisplayPort socket on the back of the Dell computer I'm using. The flexible cable ensures you haven't got it sticking out at right angles on your PC. All-in-all, very secure.
I didn't see any drivers being loaded, it just started working, so it's truly plug and play.
I have no negatives to report; its been working for about a week now and I never even think about it, it "just works".
Recommended if you have DisplayPort on your PC (they look a bit like a cross between a USB and HDMI connector).