PopCash is new popunder network. Almost all publishers are accepted. They have clean ads and test landing pages multiple times per day. There is intuitive and very easy to use administration interface. Many targeting & optimizing possibilities and various traffic sources. The minimum payment is $10 and this is sent via Paypal, Payza or Paxum.
You are welcome to write some review on the PopCash program. We welcome your suggestions that help us to improve money earnings...