Well, here are the deals for CVS and Walgreens starting 5/10/09 - 5/16/09. I think I have given up on the Walgreen's Register Rewards. They are not worth the hassle it seems. It looks like CVS is getting my full attention for now...their ECB's are just so easy and less restrictive.
CVS (thanks Mummy Deals)
Walgreens (thanks Surviving the Store)
Target.com: Sharpie Permanent Marker, 10 count just $5!
45 minutes ago