My name is Stepan, I'm Head of the advertising department in the AdBison.com network!
I know you are in need of push traffic, aren't you?
I know that you perform well with other sources.
I don't see why you shouldn't try to do it with us. I don't think there is a reason to tell how long we are in business and how skilled we are:)
I can just mention that we got lots of push/pop/in-page traffics and very user friendly SSP