I'm relatively new to the herd (I'm sure you couldn't have guessed).
About me (favorites that come to mind):
Favorite character: Pinkie Pie (or Rainbow Dash when she's not saying stuff like "Mines just not as cool as I was imagining."... why is AJ the element of honesty again?)
Favorite episode I've seen so far: wonderbolt academy. Between Pinkie getting worried and Dash being... well... Dash, I really enjoyed that episode.
I also sorta liked To Many Pinkie Pies, but it was mainly during the test-taking scene ("Bet you can't make a face crazier than... THIS!" *G3 pinkie face*)
Favorite (non-Pinkie) song: The Flim Flam brothers. It's catchy.
So... now what?