This may be a silly question...but how come so many here dont prefer to have calories in their bottle? Are you not taking in anything at all when you ride, or prefer solid food on the bike for some reason?
After trial and error...and thendoing Barry Roubaix and realizing it was a bit impractical to eat and keep up with the group I was in, i went with calories in the bottle. I prefer it, AND its more convenient/safe on the bike.