yes, great article, I tried your example successfully in VS2005 and VS2008. Had to add one line to the render method reportViewer1.RefreshReport(); after reportViewer1.Visible = true;

My db is ss2005, I think MS is saying that fixing tool tips would be a VS, not SS change, the guy who responded to the question monitors Katmai discussions.

Maybe I should add that I'm using your model in winforms.