The Windows XP Expert Zone site recently published some new articles from MVPs Galan Bridgman and Barb Bowman about their experiences using the Portable Media Center devices with Windows XP, Windows Media Player and Media Center.

Using Windows Mobile-based Portable Media Centers and Windows Media Player 10
http://www.microsoft.com/windowsxp/using/mobility/expert/bridgman_PMCwmp10.mspx

Viewing Recorded TV on a Windows Mobile-based Portable Media Center
http://www.microsoft.com/windowsxp/using/mobility/expert/bowman_pmc2.mspx

Using the New Windows Mobile-based Portable Media Centers with Windows XP
http://www.microsoft.com/windowsxp/using/mobility/expert/bowman_pmc1.mspx