A lot of people had differing emotions when reading the Zune HD launch announcement yesterday: joy that the system would indeed sport a selection of apps and games, all free; dismay that those apps would be developed almost exclusively by Microsoft. Today you can turn that frown upside down, sweetheart, as it seems that exclusivity won't last long. An update to the XNA Game Studio development environment has already been released, enabling coders to target the Zune HD. The new version, 3.1, adds libraries for handling the system's accelerometer and multitouch screen, b
