How do you hire a [good] web developer in South Africa? (opens in new tab)

I've been trying for weeks now to find any good web developers living in Cape Town to take the relatively impressive opportunity I'm putting out there.

I'm from the US and it wouldn't take 24 hours to find 5 highly qualified developers to consider for this position. It's been nearly a month and quite a few Rands in advertising for this position and so far, nil.

Any tips, suggestions, hints, ideas?

Here's the, so far, best performing method. A job listing of a fairly popular tech jobs listings site for SA: http://www.bizcommunity.com/Job/196/544/141116.html