Proposed meeting topics

In an effort to support the entire range of Drupal skills amongst our members, I propose we generate a list of topics for our meetings. This is a wiki page so all the members should be able to edit it directly. Don't be afraid no topic is too simple or too complex.

Scalability/Performance - John ;)
Aegir project
Installation profiles
Multisite (When to use, how to use, drawbacks)
Development environments & IDE's
CVS vs. SVN vs. Git vs. Bazaar, etc
Open Atrium - http://openatrium.com/
Pressflow - http://fourkitchens.com/pressflow-makes-drupal-scale
Varnish + Drupal - http://iskra.net/blog/ekes/2009/04/08/varnishing-over-drupal
Mercury - http://www.chapterthree.com/blog/josh_koenig/project_mercury_preconfigur...
Camp forumla - http://groups.drupal.org/node/25179
Drupal 7 - http://drupal.org/project/drupal
Triggers + Actions + Views_Bulk_operations = powerful custom dashboard - http://drupal.org/project/views_bulk_operations
Starter theme review (ala Chapter 3): 960gs, Blueprint, Studio theme, Tao + Singular, Zen
API Primer: uncovering the power of Drupal functions - http://api.drupal.org
Case studies: What my client/org wanted and how I delivered
How would you make that site with Drupal? (If you had to make The Onion, how would you build it?)

Add your topics here please.