Windows

Desktops/Windows/End User Computing

Compare Windows 8.1 editions

Windows Tips and Tricks

Windows 8 Tricks

Make a bootable USB drive from Windows CD

Activate an MSDN copy of Windows 8 Ent.

Servers/Cloud/MGMT

Overview of components in Microsoft System Center 2012

Microsoft System Center 2012 Licensing Overview

SC Service Manager Overview + Video

SC Service Manager Blog

Education/Information/Training

MSFT Channel 9 Developer Training