Video: Simple Component Model
This video is a 'program as I go' recording of creating a simple component system.
There wasn't really a design being followed so it may not be the most obvious implementation (or even very good). So I make no claim to it being the best or fastest way either.
You will need silverlight to view the video.
Windows Phone 7 – XNA Brightness and Contrast
With the addition of Windows Phone 7 support to XNA comes some limitations. If one wanted to have brightness and contrast controls for their game, previous methods may not be available. Considering features such as programmable shaders or device gamma ramp to achieve such a task will leave you out of luck. However there is a simple (and perhaps old school) way of doing it, and that is blend states.
Click Continue reading to see how!
Words And Pages
The Great Quiet is over in XNA MVP land as Chris G. “Avatar” Williams and George W. “Vatara” Clingerman break the news about their collaboration on the pamphletupcoming bestseller aptly titled “Professional Windows Phone 7 Game Development: Creating Games using XNA Game Studio 4”.
Meanwhile Andy “Ratava” Dunn ponders self publishing, asking for feedback.
How to get your Windows Phone 7 Dev Device
Windows Phone 7 Device Requests: Well, not exactly how but how to increase your chances on being considered at all.
Expert Settings in Visual Studio
Now this is useful stuff!
Btw... no activity since I left? Where's all the tutorials, samples and blog posts, XNA peeps? 
(yes, yes,... I know I shouldn't be the one to talk)
Have fun reading Michael's post, linked above!