Voted for wait and see but given my current Note 2 is in a case, it's a solid 6mm longer and impercetibly narrower and thinner.
Without the case it's 9mm longer, 3mm wider and 1mm thicker.
I'm starting to think it's barely any bigger and maybe I should seriously consider it.. depending on price. There's times I'd like a screen higher res than 720p, for starters.
Will definitely have to wait for reviews and reports on battery life though, especially if it's expensive.