IP approval? Geo Approval? Domain Approval? Ad approval? CPM minimum limit? CPC minimum limit?
I could go on and on and on.
You have option to filter 200 domains! So be happy and keep dreaming!
I've learned recently that AdSense is designed as a set-it-and-forget-it system for publishers. The best advice I've received from members is to just remove AdSense if you aren't happy with the results. :D