How is Adbrite in terms of revenue?

I have been using google adsense, kontera and bidvertiser on my various sites and forums. I want to know how is adbrite and where does it stay in terms of earnings compared with the above three. I am planning to sign up for it also soon.

Adbrite is great, for me personally. I make more with Adbrite than i do with Adsense, Kontera or BidVertiser.

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