I drink espressos. I can toss down 3 double espressos in less than 5 minutes before my ride and I'm good for the day in short order. It's roughly the equivalent amount of caffeine as 6 small coffees. I do it at home on my own machine though. You can get an espresso at *$, but it would be about the same as trying to get a steak at McDonalds. *$ is better suited for their overpriced double Venti Latte Foo-Foo Mocha Capiquinos or whatever they're calling them now.