Here are the slides from our fellow Alexander Aulbach. The cluster slides are available both in German and English. Feel free to contact him directly if you have any questions.

MySQL Cluster (German language): MySQL-Cluster.pdf
MySQL Cluster (English language): MySQLCluster_en.pdf
Chomsky Typ3 Sprachen oder „Hab Spaß mit RegEx“: KomskyTyp-3Sprachen.pdf

Did you know that MySQL Cluster has been available since MySQL 4 within the Max distribution (IIRC 4.1 series)? So just
grab your copy at mysql.com (of course the new 5.x series :-) and play with the
cluster.