Thanks. Looks like the first class rates did NOT change. I show the same charts below, but bigger -- from your link.

Here is the best postage price guide I know of, and I see it is updated for the Sept. change. Good to bookmark:
http://pe.usps.gov/text/dmm300/Notice123.htm

You don't need rate charts if you use these:
http://postcalc.usps.gov/
http://payments.ebay.com/ws/eBayISAPI.dll?EmitSellerShippingCalculator

Robert