Originally Posted by
pomkiwi
I already have seats on 58/59 in CW which rules out JNB (Mrs Pomkiwi would not be pleased with a stop-over just to get an upgrade

) ...
Yes, I can see why!
In your case, I'd keep looking. It won't hurt. The award availability pattern may be to push/encourage as many people as possible into taking up space on 42/43 because there's lower demand for those flights.