Always wanted to use that song as your ringtone on your new iPhone 3G?
Well now, a first on Infinitech.
We have found out that, by converting a .AAC file into .m4r , it changes the .AAC song into an iPhone Ringtone! How awesome is that? There’s no more need to go to Nakko.com and take 10 hours to register!!
So this is how we did it.
To get the instructions 
sorry guys, the last link didn’t work as MobileMe is still having issues with its Public sharing folder. Thank You.
Great post! I was looking for this.