They wanted me to upgrade to R299 for the same deal but month to month, so I said either renew at R199 for another 24 months or cancel the contract, they renewed at R199. Cancellation fee is something like R800 though, signed up again with trepidation, it's still about the best deal available on any network but Telkoms network is still not the biggest and just in the last month Mtn/cell c etc are starting to get close to the 10gb +10gb R199 threshold.
Looks like in the next year big mobile data bundle prices/contracts from the big 2 is going to fall even more, it's their next/only big cash cow left, they need as many users as possible burning R100 - R200 a month on data.