I left the 1Ds2 at home and took the M8 for this event. No noise reduction was applied. These are a few from that evening to give you a sense of the cameras performance.
 

   


28@,f2.8,1/16sec,ISO1250
35ASPH@f2.0,ISO640
50ASPH@f2.0,ISO1250
Eric-Himy, magenta cloths corrected in PS,0096
APO75,IO640,0147
28mm,1/16sec,ISO640
28,1/30,+1:3,ISO1250
28mm,1/22,ISO1250
APO75,1/60,ISO640
APO75@f2.0,ISO1250
50ASPH,f2.0,ISO640
Eric-Himy,ISO640,0127
APO75,1/30,ISO640
28mm,1/22,ISO640