Been using CPALead for years. They have paid me on time each time. They now offer weekly payment and I can tell you that it is a fantastic news. No more waiting Net30!
They are trying to be innovative and what i like a lot is that their support do answer and most of the time, it is quite fast.
I also appreciate the fact that they are trying to innovate with different tools then other networks. They always add something to make our life as publisher easier. They also have a marketplace and i think it is a great idea.