When It's the time to create more than a simple workflow

There is a post that describes how to create a Custom Workflow and use it in Microsoft CRM 4.0

http://blogs.msdn.com/jonasd/archive/2008/01/21/Creating-a-no_2D00_code-workflow-for-CRM-4.0-with-Visual-Studio-2005-_2800_2008_2900_.aspx

-f.