With the way SA were fielding I thought that NZ were going to lose it, but then after seeing Steyn go down for cramp I was like "that's it, NZ will get this". I've bowled with cramp before and it's a nightmare, I'd hate to think what it's like under that pressure with 4 balls to go, and that's where I think SA may have lost it.
That drop in the previous over though, that might have lost it for them too, and I think looking at the camera he dropped it before the player collision anyway, not an easy catch to say the least but damn, the pressure!