During the Blood Line Champions release party DreamHack announced the first three games for Dreamhack Summer 2011.

The games are:
qlcz Quake Live (TDM & Duel)
starcraft_ Starcraft II
Blood Line Champions
*Update* One member of the DreamHack staff had this comment over the phone: "We will release more information as soon as we have it. But we are glad to bring back team death match to DreamHack. We hope to see many teams participating and make DreamHack the venue for a great quake party!

Links: DreamHack.se