We tried purchasing the plus account on formscentral to create unlimitted amount of forums for our employees, clients and managers can fill in. To our surprise South Africa were not listed in the country selection for purchase, what must we do, can we select a random location that is available in your slection criteria? but doing this makes that option a bit redundant.
You need to have a credit card with a mailing address in a country that is supported for purchase.
Here is the list of supported countries: http://forums.adobe.com/docs/DOC-1375
An FAQ on how to remedy if you do have a credit card in a supported country: http://forums.adobe.com/docs/DOC-2984