http://www.tridentmilitary.com/SouthAfrican.htm Trident has repro Rhodesian kit in.
http://cgi.ebay.com/ORIGINAL-RHODESI...QQcmdZViewItem smock
http://cgi.ebay.com/South-African-Ar...sid=p1638.m122 32 batt boonie
http://cgi.ebay.com/SOUTH-AFRICAN-AR...QQcmdZViewItem shirt
I'd also check out French lizzard pattern as it would fit in too.
If you're interested in another interesting book about EO check out
http://cgi.ebay.com/SOUTH-AFRICAN-AR...QQcmdZViewItem The author was actually with EO during their ops & flew in the front seat of one of the Hinds during a combat mission!