Help me to choose best PPI POPup ads

Hi guys i just want to know what is the best PPI and POPads that accept mobile traffics
and fast to reach payout treashold
Please suggest a good and best for my blog. my Blog is all about ebooks and cr@ck software PC and Mobiles.

I was try to research about installperbucks but the trust score is untrustworthly

Can you suggest another PPI And popup ads...
Thanks in advanced