Alright, ten eps in and it's time for a Pony ranking (never thought I'd be doing this):
Pinkie Pie >> Twilight > Applejack > Fluttershy > Rainbow > Rarity
Apparently Rarity gets better; we shall see!
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http://www.youtube.com/watch?v=SBpfwpOPXNc&NR=1&feature=fvwp