If you're a first time wrapper, go for 30-35ft depending on your budget. When I wrapped the VX blue, I used 30ft and had some extra. Recently I used 25 ft for the green vinyl and had just barely enough. Keep in mind I don't wrap the back door on my VX.
Also to filter the results,
Search ebay: Avery Midnight Matte Sand Metallic 30
http://www.ebay.com/sch/i.html?_odkw...ic+30&_sacat=0