I have a sponser that pays 75 cent CPM there stats is always off buy a few thousand i get 30,000 pages view a day and they will give me credit for like 26,000

Can someone tell me if i could make more using this sponser?

http://www.fastclick.com/adv/adv_card.html

The other sponser pays all CPM this one pays for CPM/CPC 50/50 i think so wich one could i make the most from? no one clicks on banners it seems thats why i can't decide