Overview of SSIS
June 18, 2007[From SQL Server Central]
There are many articles on SSIS focusing on different aspects of SSIS.
When I started learning SSIS I came across many great articles and found a solution to almost all of the problems I faced. This article is nothing more than compiling all the blog/help files and providing a comprehensive view of SSIS.
The article continues at http://www.sqlservercentral.com/columnists/aLohia/2999.asp