Ad Network Performace Research

Hi everyone,
I am doing a research about the Ad network performance: eCPC, eCPM, Daily traffic (impression), Fillrate, Optimization of Ad networks below:
-Buzzcity
-Microsoft
-Flurry
-Ad Dubplex
-Inmobi
-Facebook
-iAd
-Millennial Media
-Mobile Core
-Leadbolt
-Vdopia
-Bee7

Anyone have used or tested one or more that network, please give me some review. After I finish that research, I will share for everyone seen to be documentary. Thank you so much for your help.