http://henryong.com/workflow-bpm-comparison-chart.htm

http://www.spsworkflow.com/SharePoints/post/Top-10-Reasons-for-BPM-(on-SharePoint).aspx

Sharepoint Designer 2010 - SPD will allow to do more things

http://www.endusersharepoint.com/2010/01/14/workflow-designer-in-sharepoint-designer-2010/

Decatec also has a course for Sharepoint Designer

http://blog.henryong.com/2010/01/10/sharepoint-workflow-business-process-management-bpm/

http://fredmorrison.wordpress.com/2009/01/21/initial-thoughts-on-sharepoint-2010-workflow-development-using-wf-40-visual-studio-2010/
http://furuknap.blogspot.com/2009/07/sharepoint-designer-2010-workflow.html
http://blogs.claritycon.com/blogs/bryan_dougherty/archive/2009/10/21/sharepoint-2010-workflow.aspx
http://blogs.neudesic.com/blogs/jason_noble/archive/2009/11/27/131502.aspx

http://blogs.msdn.com/kaevans/archive/2009/07/29/sharepoint-and-workflow-resources.aspx
http://www.tonstegeman.com/Blog/Lists/Posts/ViewPost.aspx?ID=103

Workflow for Sharepoint 2010 in Visio
http://blogs.msdn.com/visio/archive/2009/11/23/sharepoint-workflow-authoring-in-visio-premium-2010-part-1.aspx