As promised, slides from the recent Java Meetup (Intro to Hadoop) have been posted, look under the 'Files' link on the left of the page.
In addition, some useful links:Haddop Training Videos
(there are several at this site)http://www.cloudera.com/hadoop-training-thinking-at-scale
Presentations are also available there, including some I used for our Hadoop discussion.Haddop Wikihttp://wiki.apache.org/hadoop/
Merry Christmas and Happy New Year!