Best Ad Network FOR BANNERS

Hello, what is the best ad network to use for banner ad units?
I tried FAN, Admob, MMedia and Startapp.

Good results withFAN and Admob, but I would like to know if you have other suggestions.
Just telling me what other networks support banner ad units will be appreciated!

FAN and Admob are the only decent ones in my opinion.

I am looking for the same…For me admob and FAN working perfectly…