Portal 2 DLC Comming in Summer

Valve has just announced that the first DLC for Portal 2. Portal 2 DLC #1 has just started in development and will be geared toward release this summer. Valve announced this Friday (4-29-11) and will offer new test chambers, leaderboards, challenge mode for single and multiplayer modes and much more secret stuff'. They have also announced that this will be free for Mac, PC, Xbox 360 and PS3 which is great but we will half to wait and see for this summer release.