Want an easy way to learn about Visual Studio Tools for Office 2003 (1.0)?
First, get your hands on a copy of Visual Studio Tools for Office 1.0 and install it. It is part of MSDN Universal or can be purchased separately. It doesn't install with the enterprise or pro version of Visual Studio--you must run the Visual Studio Tools for Office installer and it will add the new Office project types to your existing Visual Studio installation.
Then try the great VSTO 1.0 labs that have been put together. These labs give you a nice overview of the kind of things you can be doing today with VSTO 1.0.
Then post your comments: What's missing? What do you like? What is too hard? I'm listening :)