1) it will have functionality that I'll have to pay for, but I don't need.

-- The N800 and the N810 already have things like that (useless chat camera, useless built-in GPS, useless FM radio on the N800). One persons trash is another person's treasure (and,yeah, the 3 things I mentioned _are_trash_). Yet, having them in the device broadens the NIT's market, making it more likely to be a long term success. Same with addding 3G data, or voice+SMS/MMS.

2) if it's an external 3G radio, I can use it with more than just my tablet.

-- Who says you wont be able to share your tablet's 3G feed via wifi? or Bluetooth? I don't know that Nokia _will_ build that into the NIT, but I certainly hope they do. And hopefully it's something the community could add to the NIT if they don't.

3) What would I want with a device that's somehow limited to e.g. Europe?

-- Who says it'll be limited to Europe? (or NAM, or Asia?) Maybe it'll be triband? or quadband (T-Mobile-USA). Or even if the HSPA is single-band, maybe it'll have EDGE/GPRS that's quadband. Not ideal, but still usable.