I got an email over the weekend from someone who wanted to know *HOW* to go about developing games for Xbox.
Xbox Developer Programs
We have created several programs to support the efforts of publishers, developers, tool makers, and hardware vendors who want to bring their ideas to life on the Xbox® and Xbox 360™ video game consoles.
Follow the links below to learn about our programs for:
The Casual Games stuff looks great - I like the tag line: "Playtime, Anytime", and speaking of "Playtime, Anytime", behold the Arrigo Gamercard