How Do I: Build State Machine Document Approval Workflows for SharePoint Server 2007 Using Visual Studio 2008

State machine workflows enable you to model real-world events and business processes. Learn how Visual Studio 2008 makes creating and debugging these workflows easier than ever.

Here is the original post:
How Do I: Build State Machine Document Approval Workflows for SharePoint Server 2007 Using Visual Studio 2008

Creating a Text-to-speech add-in for Microsoft Word 2007 with Visual Studio 2008

Visual Studio 2008 includes tools for Office that allow developers to build custom components, such as add-ins, for Microsoft Office System applications writing managed code. See how you can create a custom task pane for Microsoft Word 2007 and how to integrate Text-to-Speech capabilities provided by .NET Framework.

Original post: 
Creating a Text-to-speech add-in for Microsoft Word 2007 with Visual Studio 2008

How to Create a Silverlight Web Part in ASP.NET for Use in SharePoint Server 2007

Learn how to develop a basic Microsoft Silverlight Web Part in ASP.NET that hosts a canvas and that can be used with SharePoint Server 2007 and Windows SharePoint Services 3.0.

Read the original here: 
How to Create a Silverlight Web Part in ASP.NET for Use in SharePoint Server 2007