Videos! Chiba Ranking Battles & DARK vs Kenji set.
Middlekick has uploaded a ton of matches from the recent Chiba ranking battles to his YouTube account (casual and tournament matches), among other vids. For further updates subscribe, and keep an eye on Street Fighter Alphas videos thread the Shoryuken.com forums.
See the Chiba Ranking Battle’s official blog here (in Japanese): http://zero3chiba.blog108.fc2.com/
Vegascup has uploaded a set of matches from 2006 or 2007 between Kenji (A-ISM Chun li) and DARK (A-ISM Gen). They played a set of 30 games.