Everyone's blogging about Daniel Boyd's open letter to Microsoft regarding the future of scripting technologies on the Windows platform. Personally, I think that the new Microsoft Shell (MSH) will be the answer to these people's prayers.
Here's a couple of nice articles by Jason Nadal with some specific details and examples. Also, if you're running Longhorn, you can join the MSH beta by going to BetaPlace, entering a Guest ID of "mshPDC" and filling out the survey there.