so PrimeDice is the highest paying signature campaign?
I think they and 777coin are the only remaining pay per post campaigns
Hmm that's not quite true, because Lunamine and Fastbluff are offering the same rates per post as Primedice.
Fastbluff sig thread: https://bitcointalksearch.org/topic/fastbluffcom-is-piloting-a-signature-campaign-highest-paying-campaign-684966
Lunamine: https://bitcointalksearch.org/topic/0-avail-upfront-payments-for-your-signature-limited-offer-lunaminecom-686826