Yup, that is the biggest gripe the airforce maintenance boys have with the Gripen; We could have quite easily taken the newer Mirages and Denel could have very quickly done the same/similar retrofitting we did with the Cheetah C,D and E; Hell we could have even pumped in the Atar Plus engine.
Theoretically the MiGs would have been a better buy than the SAAB. It would be cheaper than the SAAB, we would be supporting a fellow BRICS partner, operating costs of a MiG (23/29/31) is lower than the Gripen; The MiGs are faster, have better range, more hardpoints, a higher service ceiling, a much better rate of climb. Besides that, the MiGs are hardy aircraft that have proven to be reliable in worse conditions than what we have in South Africa. So that's my little Gripen rant.