How many page views per visitor? How many and which ad units are you showing? What is your content area? $1.5 for 1K banner views isn't to bad. But for 1K visi

How many page views per visitor? How many and which ad units are you showing? What is your content area? $1.5 for 1K banner views isn't to bad. But for 1K visitors viewing 4 pages each with 3 ad units then you'd have reason to be dissapointed.