I can't say I've read all twenty trillion pages of this thread, so I can't really garentee that any of what I'm going to say is news to those who have, but eh. Pummel me if you don't like my opinions.
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1. Both Pit and MetaKnight do some wierd turning behind or dodging
(kind of like a wavedash). I'm almost certain that this is the new dodge replacing the slow and pretty much 60% useless dodge in SSBM.(sweet)
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2. MetaKnights glide in my opinion looks to slow to be a FowardB.
I don't see how it'd do much damage if he flys at that speed. Maybe it picks up speed somehow? Besides that I'd also have to agree with some other people on it possibly being somewhat like a Peach's float, but with the downside of the slight descent.
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3. Near the end Zamus falls to the ground with a sort of falcon kick style but with no flashyness or relatively fast speed.
I'm afraid that the only way I could comprehend this in my mind is considering it the new fast falling
Sakurai already stated that he is slowing down air battles, maybe this and the slower more sticky( like mario's downB at the start on link) is what he had in mind.
Think about it. If this was the new fastfalling it would completely KILL most speedy air strategys existant up to date. I hope for everyone's sake that my guess is wrong. If anyone saw anyone but Zamus use this, or saw someone actually fastfalling, please comment.
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4. To me it looks like they incorporated crawling to replace wavedashing to make things eaiser for nubs.
If my guess is right crawling will be executed by pressing relatively or close to the same buttons as the current wavedash. This is my most If'fy idea, but I'm just throwing it out there.
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5. Wario looks sooooooo sexy.