Microsoft released Multi User Interface Packs for Windows Server 2008 a couple of days ago. They don´t require a specific edition of Windows Server 2008, so you can install them on Standard Edition if you want to. Why is this only for Windows Server 2008...
Microsoft released some awesome posters for a while ago: Microsoft .NET Framework 3.5 - Commonly Used Types and Namespaces 2007 Office System Document: Developer Posters Windows Server 2008 Component Posters