The guyz at Real have always said that the SW wind tends to be much cleaner further north, up in Avon or in the Waves/Rodanthe area. You can stay at the KOA in Waves and walk across the street and rig at Hatteras Island Surf and Sail. If you are hell-bent on Buxton (where the original Real shop still is) you can stay at Frisco Woods campground.

If you go, bring something to do if it doesn't blow (PSP, inflatable farm animal, whatever). It is BORING as hell when there is no wind if you have a short attention span like I do. Also, eat dinner early because everything closes early. And I assume you are planning for summer this coming year, because it must be colder than a witch's titty in a brass bra up there right now, unless they are having a mello winter like we are in Florida.