Zoning is not much of an issue with computers. DVD-ROM drives can read any zoned DVD. What might be an issue is your DVD playing software. There are programs that will bypass zoning garbage, such as
AnyDVD, which runs in the background and descrambles the DVD info, allowing any software to play the movie. They have a trial Version you can use to play a single DVD. If zoning is going to be a big issue, might be worth the 40 dollars US to buy it.