"Come see Mike demonstrate some common -- yet powerful -- things you can accomplish with the Sitecore PowerShell Extensions (SPE) module including (but not limited to):
Harnessing PowerShell scripts to make batch updates to Sitecore Items. How to use PowerShell scripts in scheduled tasks. Invoking PowerShell scripts from the Item context menu. Mike will also showcase the reporting capabilities that come with SPE, and will walk you through customizing SPE by adding a custom command."