SharePoint and Workflow may be the most powerful combination since chocolate and peanut butter, but the trick is harnessing their combined power. That isn't as easy as it first seems, but in this article you'll learn how create a SharePoint workflow in Visual Studio from start to finish.
This article is one small sliver from one chapter of the upcoming SharePoint MVP Book. 17 of the SharePoint technologies MVPs have combined forces to provide one authoritative source for information on SharePoint. I'm proud to have written the chapter on workflows and WSS. The above article is one sliver of that chapter.
http://www.devx.com/webdev/Article/34032/