I've been running my adsense campaign since the initial posting on this topic.
I have about 20 sites all making revenue, but only small amounts.
The total per month has risen to an average over the last 2 months of $60 per month. I'm still looking for the holy grail (niche site with high revenue clicks). Most sites I have are getting clicks around 20 cents, a far cry from the claims of the Adsense gurus who fill my inbox. Still the growth graph is trending up, so in another 12 months, who knows