Day9 hosted an event called The After Hours Gaming League in which eight tech companies will compete each other for charity. The event has just finished its first season with team Microsoft crushing everyone else. Zynga is the runner up and Google claimed third place.

Games: http://www.youtube.com/results?search_query=ahgl Homepage: http://afterhoursgaming.tv/

There are a number of interesting game theory articles on competitive Starcraft. This is one: http://www.teamliquid.net/forum/viewmessage.php?topic_id=258... (and my comment to it: https://plus.google.com/116918963723558831013/posts/A8DRTY11...).