http://www.scribd.com/mobile/doc/93637061?width=600This may be helpful to have and/or download since most smartphones these days don't come with much of a user guide. Here is the official manual for the GS3 International version.
Im not sure how much the basic operation changes between the International & US versions, but I'll update this thread to include the US version once its released.
You can also download the PDF file here via Drop Box for future reference. http://db.tt/jhKz6C9c