Teenah, check your local big supermarket, in the hispanic section you may find Mexican coke in one liter bottles. My sources tell me the difference is that they use real sugar, and it really makes a rum and coke taste like it should. You may also find adding a slice of lime to a coke with real sugar in it just about doubles the thirst quenching factor. Personally, I believe limes are the greatest thing since unsliced bread.

Been there, done that, the washing machine ate the T-shirt