I don't drink a lot of soda, BUT if I happen to drink it, it's usually PepsI (don't like the taste of Coke). Other drinks that I like are various juices, especially carrot and grapefruit juices. I also like the pomegranate juice. But I still think the healthiest drink is pure water, period (unless the juices you drink are squeezed straight out of fresh fruit). As for the orange juice, I hate the one from stores, like Tropicana. The only orange juice I'll drink is squeezed out of fresh oranges.
I've also heard that PepsI has sulfuric acid in it ... nice huh? That's why I am suspicious of all store-bought juices, sodas, and other drinks. And that's why I consider the safest those juices that are squeezed out of fresh fruit, and plain water. I know that orange juice from a store, like Tropicana, may seem "healthy" but it is in fact loaded with chemicals. When you drink juice squeezed out of fresh oranges and then you drink Tropicana, the two taste very differently from each other. To me, Tropicana doesn't even come close to the natural taste of oranges.