This is according to Microsoft at the current E3 event. They had a map (below) with the countries where the service was headed or supported, and South Africa was highlighted.
Thank you to Bokka1 for the heads-up.
South Africa – 14 June, 2010 – Microsoft today announces its commitment to launching Xbox LIVE in nine new countries – Brazil, Chile, Colombia, Czech Republic, Greece, Hungary, Poland, Russia and South Africa – delivering the core gaming and entertainment features that have made Xbox LIVE the world’s premier online gaming destination.
“Xbox LIVE is about building communities and connecting people to each other and to great content. This expansion is another step toward our vision for LIVE – to deliver the entertainment you want, shared with the people you care about, wherever you are in the world,” said Marc Whitten, General Manager, Xbox LIVE.
The service will be available this summer and will focus first on delivering the core gaming and community features that have made Xbox LIVE the world’s premier online gaming destination, including matchmaking, friends list, Achievements, Gamerscore, a tailored Games Marketplace and more.
Thanks to Oddsock for the update.