First off, if you're not a member of the

I'm usually not one for buying Collector Editions of video games, but here is what the $80 CE of ME3 will contain:
-Exclusive Collectable Tin featuring male and female Shepard
-Exclusive 70-page hardcover art book
-Exclusive N7 Fabric Patch
-Exclusive 4x6 Lithograph
-Exclusive Squad Appearance Pack
-N7 Hoodie for Shepard
-Robotic Dog - a faithful companion to keep you company on the Normandy [thanks for the fish]
-Exclusive N7 Arsenel pack - N7 SMG, N7 Shotgun, N7 Sniper Rifle & N7 Pistol
-Exclusive Extended Soundtrack
-Dark Horse Comic Book
-Additional Downloadable Mission and Character
-Normandy prop for XBL Avatar
-Bonus Avatars and More
The game is also Kinect compatable, allowing you to select dialog-options and give voice-commands, although I may wind-up stumbling over my tongue (if I decide on getting Kinect) saying, "Singularity!" That's not an easy word to say!
What are my favorite parts? That's hard to say. I thought the omni-blade was cool (which got a big reaction from the audience!), but it's just seeing some of my favorite characters back in action that has got me excited.
-Captain Anderson helping Shepard escape the Reaper invasion!
-Ashley aboard the Normandy, laying down cover for Shep and Anderson! I think the new guy, Vega, is also at Ash's side in that clip.
-Garrus and Liara alongside Shep helping Mordin rescue a female krogan (aka: the Krogan Princess)! Wrex is somewhere there, too!
-Legion driving the getaway car after Shep pisses-off what seems like a sleeping Reaper! One of the coolest portions of that segment is of Garrus knocking down a Cerberus operative from behind as he takes aim at Shep's back. Then Liara finishes him off with a shot to the skull!!
(btw, what's the Shadow Broker doing out of her Lair and galivanting about the galaxy?? And Cerberus is working with the Reapers???)
-Joker and EDI are back at the helm of the Normandy! I like the tone of urgency in EDI's voice as they make their first strike on the assumed Reaper base.
There is a lot of temp music, and what sounds like temp voices (Mordin doesn't sound quite right), but Mark Meer's Shepard sounds really good this time around, so I can't wait to hear Jennifer Hale's rendition of Shepard.
This is going to be a looooong nine months!