Could we possibly be more fired up about the upcoming Transformers Movie?!  Probably not!   Dang, all signs poiint to this being one kick tailpipe film!   For those who missed the live Yahoo webcast Q/A with screenwriters Robert Orci and Alex Kurtzman, here is a summary!  Sorry I couldn't get more!  My hands can only type so fast!  Some of what's below are exact quotes, the rest are paraphrased highlights:

Okay, the cast will be:  (drumroll please!)
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Autobots:
OPTIMUS PRIME: noble, wise,  shakespearian style commander

BUMBLEBEE:  He's the same underdog character, the scout, the one that comes ahead of the Autobots, the smallest of the gang.

JAZZ: is rock and roll, he’s the guy who believes if you can’t do something w/ style don’t do it all.  He’s the most contemporary, blends into other culture better.  He’ll be.

RATCHET: will have a new form (didn't say what it would be), the science officer, repair tf’s wounded in battle, the smartest cybertronian ER, he’s the one, will be tied to this character.

IRONHIDE:  Can make any transformer bust an o-ring just by looking his way.  A "classic cowboy”.  Optimus’ oldest friend.  >They talked about the dynamic of their relationship despite their great personality differences.

DECEPTICONS:
MEGATRON: not just pure evil, but we really wanted to flush out the particulars of his evil, His is social Darwinistic view.  It’s his god given right as the most evolved being to rule.

STARSCREAM: an ~~ type, secretly plotting to dethrone Megatron.  We’ll see a lot of that dynamic in the movie.  He’s the Starscream character we all grew up with.

BRAWL:  An extremely pissed off Decepticon. Always ready for a battle, even when he's over his head.  He’s the heavy lifter of the group.  The first into battle. With the Decepticons tried to go with not necessarily just the most recognizable characters.  Also gave us an inkling that they’re not just going to be original first season G1 favorites.

BONECRUSHER:  Closest thing to a Constructicon.  He hates all the other Decepticon.  He responds... (Shoot sorry I missed this part!)  Even if you try to make him your friend he'll hate you more.

BARRICADE, the hunter of the group.  The epotime of Decepticon hunter. His’ alt mode is the most concealed.  For this reason he camouflages himself as a symbol of safety.

SCORPONOK/SCORPONOK?:  When you  see him int the movie you’ll see that the form will make sense for where he's at (presumably in the dessert...)

FRENZY: a character that had initially started him out as soundwave, the way this character developed Frenzy embodies different personality characteristics.  So rather than trying to make him Soundwave, and fitting a square peg in a round hole, we just made him Frenzy.  He has a smaller form, able to infiltrate, every and any place he wants.  A stealth spy, he's always the first tier attack.

BLACKOUT: Biggest,  he is the mover and shaker.  He can clear an area, get people off the battle field...