Read my blog post about adsense unit placement and what I have learned: http://www.dragonblogger.com/placement-of-google-adsense-critical-for-success/

Share your experience with Google Adsense, do you use Channels, have you experimented with ad unit placement, what works best for you, do you make decent earnings from adsense?

I will link back to you on the same article from my PR2 blog. Message me when opp taken so I can read and link back to you.