Yeah, it sounds delicious. :3 As for the OT, I can't exactly drink yet (I'm a teen), but I bet I could make some non-alchaholic MLP sodas, or something.
Pinkie Pie
Club soda (for extra fizziness)
Pink food coloring
Cherry juice
Cream soda.
Whipped cream (AAAAAWWW YEEEEEAH!)
I don't know. I'd need to taste it first. xD
Rainbow Dash
Dr. Pepper
Red, orange, yellow, green, blue, purple food coloring (try not to mix 'em together)
Soak some Skittles in that sh*t, or something.
Rarity
Sprite, Seria Mist, 7up, whatever your prefered brand is
Indigo food coloring
Whipped cream
Served with a cherry on top and a small little purple umbrella.
Apple Jack
Apple cider
Club soda
Orange and yellow food coloring. Try not to mix them together
Served with an apple on the rim.
Fluttershy
Root beer, cola, or something like that
Yellow and pink food coloring
Something to make it smooth (whipped cream, or something of the sort)
Twilight Sparkle
Club soda (magical fizziness!)
Purple food coloring
To be drank while reading a good book.