I tested many on my network. Here are ones I am happy with and keep on my network in different combination depending on site/visitors:
some cpm networks i use in passback chain
top tier which allow setting of minium cpm: pulsepoint/contextweb, criteo
middle/lower tier tier: lijit, pixfuture, techno rati media
remnant traffic: adsvisual, adsgadget
for images/in image advertising: gumgum, taggify
If you like to have a referral link for any please say
Also I can give some more details if you like,cpm earnings etc maybe also do some cooperation for this type of entertainment site, I have many. Contact: pro_sole AT yahoo.com
