I have been out of commission a few days. I have been having problems with gear shifting which I continue to fine tune, but I took bike in today for commute #10. It was a lot of fun, almost a week since last time. Atlanta is heating up.
I have had rear derailleur problems (example, shifting to 5th gear and being in six, slow shifting, etc.) This link was a help (I was going about it the wrong way, before, just learning about mainting my bike, a hybrid, '04 Giant Cypress):
http://bikecenterusa.com/site/page.cfm?PageID=90