Sara Ford works at Microsoft as a Program Manager and blogs about Visual Studio. There's a VS2005 Tip of the Week and a VS2008 Tip of the Day. She used to be a test dev and has some video interviews on MSDN channel 9.
Rob Caron wrote a sidebar gadget for Visual Studio 2008 Tip of the Day. You can download it here.
This is a great resource for people like me who are new to the development environment.