Notebooks in the UK are currently on sale for like under 5k with specs that we usually pay for about 8k here(recession striking i guess).(i know because i was helping a friend there find one) Something to consider i guess.
I think thats mainly due to your exchange rate and import taxes.
Aren't there any local manufacturers in SA???
When I visited SA I found that most imported goods were way overpriced, even labels that no-one really buys in Europe or finds them dirt cheap were elevated to luxury items in SA because they were "Made in Italy"