Yea cpalead is surveys hasn't converted for me like zango has, it depends on the site your going to put it on. For porn or game cheats i would put zango.
well,for me,porn does not really work well in my case.however,streaming sites does work.look at some respected members posts in dp and you will know it
Zango is the best PPI for your site, hands down. I've made thousands with it! If you sign up with the link in my signature, PM me and I'll help get your account approved fast and give you some tips to get you started =P