All the girls have made some good points. I would further suggest adding an energy drink to your rides, especially your long/vigorous ones. You mentioned their sugar and salt content, but from an energy/hydration/electrolyte replacement standpoint, that's essentially good (unless you're otherwise on some kind of dietary restriction). I prefer CytoMax over Gatorade. It's easier on my tummy. Experiment to find out what brand works for you.

From a nutrition on the bike standpoint, play around with it. I like bananas, trail mix, Clif Blocks, and cookies. Anything too heavy just makes me feel kind of ick. I also make sure that I drink a recovery drink of some kind--right now it's 16 ounces of chocolate milk--after most rides. It seems to be helping me feel better faster.