Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Dvd

I have the LG GP08NU6B and it uses one USB and works great with my new MBA 2011. I paid about $55 at Best Buy.
 
I've got the samsung in your link and it only needs one lead on my MBA. You only need two if the USB power is low.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.