DSTV bought at Pick&Pay, Ellies not installing

Bought the Pick n pay special on DSTV, which came with an Ellies / Elsat installation voucher. Phoned them to install, nothing happened. Kept phoning, and they tell me that I must speak to their appointed installation company. This company explains that they are waiting for Ellies to supply the LNB's. Ellies blaming the installer, meantime it is their fault. And NO feedback or apology for the delay. Still waiting and may have to return to pick n pay and explain that this supplier has let them down, as I cannot just wait for Ellies to eventually supply if ever ? Even if they have a legit proble, why no feedback ? and why mislead me and tell me it's the installers problem ? Not good guys...