Summary: A detailed exploration of XNA GS 2.0 features.
Summary: XNA Particle System talk code sources available.
Summary: A presentation on developing an XNA particle system, showcasing GameComponents, custom content pipeline elements, and the fun of testing and tweaking particles. Source code and slides available.
Summary: GDC 2007 brought exciting XNA news.
Summary: Mentioning the uploaded of some presentations on Managed DirectX and XNA to the website.