Despite what the whiners on this forum say, the Meet and Greets are going to be innovative interactive shows that count as an attraction. It's not just "Oh, look, there's Cinderella, let's get in line to get her autograph"
So, that being said, FLE has at least FIVE brand new attractions that guests can visit, as well as the re-themed Barnstormer and Double-Dumbo with the new interactive queue.
The thing this has most in common with Harry Potter is the two new dining areas, one sitdown (although Beast's Castle is going to be a far more immersive dining experience than The Three Broomsticks at HP) and one counterservice...but that's really the main comparison that can be made.
wdwmagic is 100% right when he says this will cost twice as much as Potter. Universal may have created the greatest new attraction out there, but in terms of building a new land, they cheap-ed out like crazy. Disney isn't.
I know it's hip and in vouge to hate on TDO here on wdwmagic.com, but this is getting out of hand.