Adsense for me has been extremely good.
I have had earnings in excess of $2.90 per click in a very niche market
( i.e. less that 2 million results on google for well targeted words )
If you would like more help & advice i'd be happy to offer it
I used to make a fortune on adsense before i sold all of my main domains
I also used to own an adsense coaching site

Good friends with Joel & when i closed my site down i gave him all of my members
Now I just create well optimised sites & also optimise sites for a high earning / ctr
so with my experience im sure i could help
Anyway if you want any help just let me know
Just ask that anyone wanting help doesnt PM as the inbox is nealry full instead reply to this post & i will help when i can
Chris
Search Engine Specialist
Freetimers Internet