Nope - only got the 3gb TI account
I'm a bit low on bandwidth myself, so I can't lend you my account at present, but take a look at this thread to see more about prepaid accounts:
http://mybroadband.co.za/vb/showthread.php?t=111816
If you have a spare R70 sometime, just buy 1GB prepaid as it rolls over (especially from Webafrica, since theirs never expire) and you can use it when you please.