I want to leave my feedback as well. I work in both affiliate networks - I work with pushes from the guys and subscriptions from their zclick affiliate network.
For pushes I can say the following: a fairly low percentage of unsubscribes (in general on the push market), income is quite stable and confident. With more traffic, revshare would be recruited faster and monetized better. Tested, in zetpush the volume is redeemed most profitable in the market. For all the time of work in the partnership income did not fall, I did not notice the shave) So I stayed with them - the income is normal and stable