Looks like games are coming for the Zune after all! Microsoft just announed XNA Studio developers will be able to use the Zune as a multiplayer wireless mobile gaming platform! Details are sparse at this point, but it looks like it's going to be second gen Zunes only, since it was specifically mentioned that it'd take advantage of the touchpad controls.
View: Images and more at Engadget
Link: Zune Game Development FAQ