So.....I kind of just want to sum up what we know about what changes have been made and see what I'm missing. If it's comprehensive enough, maybe a similar list can be put in spoilers on the front page to avoid repetitive questions?
Mario:
pretty much melee, it seems like
-Combination of Doc/Mario Fair
-Melee Dair
-Fludd is down special as opposed to Tornado
Luigi:
Mostly melee/hasn't been messed with too much
Peach:
Mostly melee
-Brawl Utilt
Bowser:
-Hasn't been messed with?
Yoshi
-DJC
-there was talk of 64 Fair
-Buffed recovery?
-JCable shield?
Wario:
-Probably losing the bike?
-Talk of replacing most of his specials
-Less aerial mobility
DK:
-Melee up special
-Hasn't been messed around with much?
Diddy:
-Techable bananas
-?
Link:
Mostly melee?
-Can't grapple any surface
-talk of 64 boomerang
-Melee Spin attack
-Aerials sped up (fair, nair, bair?)
Sheik:
100% Melee?
Zelda:
-Melee Fair/Bair
-?
Gannon
-Mostly melee
-Brawl side special
Toon Link
-Plays like young link (nair, dair, not sure about fair)
-Brawl bair
-Dair has been fixed with no downward momentum plus fire hitbox
Samus:
Mostly melee?
-Missle Cancels
-Super wavedash
Zamus:
?
Pit:
?
Ice Climbers:
Mostly melee? Don't think there's been much discussion
Rob:
?
Kirby:
Mostly brawl?
-64 Nair
-Pancake. Dash.
-Brawl hammer (side special)
Metaknight:
-Plays like roy, but with more jumps?
King Dedede:
-Emphasis on his throw game
Olimar:
Changing tether recovery?
Fox:
Pure melee
-no drillshine/wallshine infinites
Falco:
Mostly melee
-Melee shine, Utilt, Nair
-Brawl jabs, fair
Wolf:
-Ground canceled Shines a la 64
-I think his jabs have been modded, but I'm not sure what was done.
Captain Falcon:
Melee!
-I think SFX were added to sweetspotted knee, but I'm not sure.
Pikachu
-There was talk of 64 Bair
-Not much else?
Pokemon Trainer
-Hasn't been touched yet?
Lucario
-Will not be mewtwo
Jigglypuff
Mostly melee?
Marth
Mostly melee?
Ike
?
Ness
-DJC
-Mostly melee right now?
Lucas
-New neutral B
-Aesthetic changes to Side special
-DJC
G&W
Mostly melee?
-Melee Nair
-Brawl Bair
-Can L-Cancel all aerials
-Has follow-ups to grabs
Snake
-New U-tilt
-Shorter fuse on 'nades
Sonic
-Moonwalk
?