OK it was kind of a rhetorical question I'm sorry. From your posts here, I would say you're very specualtive, and have a relaxed, conversational style. I don't see you as at all NTJish here.
Of course maybe if you had to write a work email I'm sure you could be very "to the point". But is it your preferred style of communication? If so, why where are you writing so NTPish? Even by Page 7 you are still happilly, calmly, speculating about your type, second-guessing yourself, etc. An NTJ would hate to appear so unsure IMO.
I'm sorry man I don't know if I can help you more than this! I've given my two cents, all I can say is, I vote NTP, 100%. Hopefully other people can give you a better insight.