I'm a Dr. Pepper guy, myself, but if I had to choose, I'd definitely go with Coke.

Coke > RC Cola > generic brand > Pepsi ( \:p JG)

"Growing up my dad was like 'You have a great last name, Galifianakis. Galifianakis...begins with a gal...and ends with a kiss...' I'm like that's great dad, can we get it changed to 'Galifianafuck' please?" -- Zach Galifianakis