i've been drinking coffee the same way for the last 32 years (i started at age 6).....
this is how i like it: one shot of espresso, 2 large tea spoons of sweeten condensed milk, then fill the rest of the cup with normal milk. This is what i consider sweet and creamy and i sometimes make it a double shot of espresso. This formula also works great for iced coffee.
so as far as im conserned there are no vapable coffee liquids out there that compare with how i like it......
I have tried "Coffee", "Cappuccino", and "Classic Caramel Frap"...... at first i didn't like any of them, so i decided to fool my taste buds by drinking just plain black office coffee, and guess what...... i prefer all of the above flavors over the office stuff

the coffee is rich but not bitter (Black coffee), the cappuccino is like the coffee ( a little less rich and a little creamy), the Classic Caramel Frappuccino is same as the cappuccino but a little more sweet.
I actually like all three now because i gave them a chance, but if the CCF was twice as sweet then it would be perfect. (i might try a sweetener with it to test my theory).