The Wayback Machine - https://web.archive.org/web/20100102101018/http://www.pieterg.com:80/Tutorials/
The Basics
Tutorial 1 - Initialize XNA. Image Tutorial 2 - Rendering a triangle. Image
Tutorial 3 - Spinning a triangle. Image Tutorial 4 - Texturing a quad. Image
Tutorial 5 - Lights and Materials. Image Tutorial 6 - Alpha Blending. Image
High Level Shader Language
Tutorial 1 - Simple Shader. Image Tutorial 2 - Diffuse Shader. Image
Tutorial 3 - Texture Shader. Image