Saw him at a 206 party hosted by Carfax JHB year around 2007ish I think. He was pissed and the show was average. I think DJ vadim also played a set supported by Ready D and friends.
Don't think any other freestyler can do what he does at that speed without invoking canned lines and filler phrases. Not saying he's the best rapper, but for impromptu freestyle creativity? Hard pressed to find better imo.