Well, IFA should be announcing this any hour now... im going to guess this is what it looks like...
This is found in the manual of the Note 10.1 btw. If this is the new Note 2, it appears to have speakers on the front (which in my opinion would be good for speakerphone) and it may or may not have hard buttons similar to the S3. I think it could have just 1 main home button but i could also see it having the other two on each side like the S3. I suppose it could have the on screen buttons, and have the swipe on edge of screen to overlay them or minimize the screen slightly in order to display the on screen buttons, as the s pen should have more functionality this time around. Or long press home button, on screen buttons appear. Expect it with 4.1 - Jelly Bean
I see Samsung really being innovative with the S pen and adding recent functions we've seen before, like Smart Stay, hold phone to ear in text to call, vibration alert when you enter the room and sit down after missing a call (it detects you are there) along with nfc/all share/wifi direct so that it becomes really syncable with all other samsung / all share devices. One of the features i like about the Note 10.1 is able to annotate or amend documents on the fly and live, with all share connected. Eg., i show the reports of Q2 and while other devices are connected, i draw an expected demand/supply curve that appears on the connected devices in real time and then where i want them to be by Q4. I see this included with the new Note 2(if it wasnt already).
Im still going with quad core 1.4 with mali gpu and LTE across the board. If they dont have LTE embedded, i think they will still go with it as a separate component which will drain battery life but im sure Samsung has something up their sleeve.
Oh! And Samsung's windows 8 tablet will have an S pen....expect there to be cross platform support