I have some great ideas but need a sound board who understands the SA market.
There are many guys involved with Arduino
Pretoria has
http://www.house4hack.co.za/
They used to also have a Randburg group, may still have it...
Otherwise the local electronic suppliers haver plenty of good contact people
Microrobotics
Communica
RS South Africa
- even Mantech
Arduino is also strong at the various universities like UJ, Wits, North West (Vereenegin/V.D.Byl) etc
One of the Government "product incubators" is working in this field
And there are a couple of private colleges offering coursed
Dr Google is your friend - just ask him...