Not sure where you posted it, but I remember you mentioned in one of your posts that it is not easy to predict the volume of data that you [or myself or anyone else] needs in any given time period [e.g. 1 calendar month or 30 days, or longer - currently inconsequential], which means that data consumers are at a disadvantage - a fixed per MB rate is preferable, such as what Virgin Mobile offers, but at R0.50/MB combined with say 2GB of data, it is less expensive to go for a data bundle from either MTN or Vodacom, the catch-22 is that very few data consumers can predict what their usage is going to be over the next 30 days without seriously limiting their usage on a daily basis - which contradicts the spirit of broadband.
Personally I would prefer data bundle rollover, unfortunately neither MTN nor Vodacom seem to be interested in what customers really want, and the use-it-or-lose-it policy that both MTN and Vodacom have, is particularly unfair when there are network problems - like Vodacom over the last 5..6 weeks or the usual month-end congestion that customers experience. If there was a silver bullet that I could use to force either Vodacom or MTN to implement data bundle rollover, the round would have left the barrel long ago - IOW I'm getting really tired of having to beg for data bundle rollover, I'm sure sky.akash feels the same way as do many others.