I would bet yes, but there's been no confirmation. The reason why I say this is because it is thinner than the iPhone 4 and much thinner than the iPad 1. The laminated glass is one way Apple got the iPhone 4 to be so thin.
I would sure like to know this answer, and how much it reduces glare in practice, because this would add another reason for me to pre-order on the 11th.
From the videos and pics on Engadget, it seems like the glare is reduced, but then again I'm sure Apple set up the lighting there to help with that.