And by beat, I mean I cleared the Elite 4 + Champ. Time on the clock 58:26. My team: lv 60 Haxorus, lv 60 Zoroark, lv 58 Magnezone, lv 57 Emboar, lv 59 Quagsire, lv 58 Leavanny.
I feel like B2 is easier than SS, but that might be because I was unprepared for a lot of types in SS. (I had to train a lv 45 Rhydon to take out Lance in SS.) That and, I had a pretty stacked team in B2.
Now to see how good the post-game is.