Michael covered the basic advantages of using ZSH over other shells and how easy it is to start using and gaining some of the advantages with minimal effort.

Plugin used 'oh-my-zsh':
https://github.com/robbyrussell/oh-my-zsh

References (in order of preference):
http://www.tuxradar.com/content/z-shell-made-easy
http://zsh.sourceforge.net/Guide/zshguide.html
http://www.rayninfo.co.uk/tips/zshtips.html
http://physos.com/2010/09/24/my-custom-zsh-prompt/
http://grml.org/zsh/zsh-lovers.html
http://stevelosh.com/blog/2010/02/my-extravagant-zsh-prompt/
http://grml.org/zsh/zsh-lovers.html

Presentation notes:
ZSH Presentation
ZSH Presentation pdf format