Germany k1llsen is the latest to drop out of the DreamHack Summer 2011 QL Duel tournament. According to his facebook page he has pulled out due to illness:
k1llsen: due to my Thyroiditis, i have to cancel my dreamhack trip... sorry guys... :(

Replacing him within the 1v1 event is Austria noctis.

Source: DH Summer 2011 Quakelive