Hey this is cool.
Track inflation (for multiple countries) based on online prices of anything you can sell at the Billion Prices Project from MIT.
I think this contains only aggregate inflation figures based on those products at this point...but still worth a look. Different gathering method than Consumer Price Index official figures.
By the way, here's the link (pun intended) to the infamous phone complaint to Jimmy Dean Sausage complaining about value deflation in his morning breakfast.
My Ivory Soap and oatmeal have already shrunk.