mm it's gonna be exciting
after watching it i dont think it's much of a filler either

for one all of it has been done in the manga, even though it might have been shorter in the manga since you could just flip through it =p
but even if it hadn't been made in the manga either it wouldn't have felt much like a filler.. it's all part of the storyline and fun

fillers have a feeling of being irrelevant and unnesseary.. none of this episode had that imo (but that's subjective, of course&#33

as for whomever was upset about the black streaks.. uh.. whatever!
exactly what was going on there was irrelevant as far as that part of the story goes
it's much better if they keep the focus on the things that are relevant (like the people when they're talking) instead of having lots of people flying around in the background
it'll look really messy, not to mention they'll have to draw more = worse quality. it's not like these guys are the best at drawing so cut them some slack