Mario Kart Wii just around the cornner and with the aid of the Japanese side of the Internet the mystery of SMK's AI second set of data is now known http://www.dirty.plus.com/ai/ai.html. 

*update*
I just noticed it's Arpil fool's day so to prove it's real http://www.youtube.com/watch?v=Q4o-jrfxW-o