I get asked alot about workflows. I have yet ran across a good course. If you have let me know. So I am putting together a list of workflow resources here. I hope this helps.
Good article to start
http://www.sharepointproconnections.com/article/sharepoint/SharePoint-Designer-2010-Workflows.aspx
Videos and references from Microsoft
http://office.microsoft.com/en-us/sharepoint-designer-help/CH010373544.aspx
And I hope more to come ...
