A series of two presentations made by Gavin Henrick, a Moodle expert, on the advantages of migrating from Moodle 1.9 to Moodle 2.
Part 1: http://www.slideshare.net/ghenrick/10-reasons-to-move-to-moodle2-from-moodle-19-part1
Part 2: http://www.slideshare.net/ghenrick/10-reasons-to-move-to-moodle2-from-moodle-19-part2