rjack_fan 09-11-2011, 08:30 PM
You can ask anything you want, don't feel bad about recovering things already discussed as there are a lot of new members that probably have the same questions you do.
I'll take a stab at this to get you started, and i'm sure someone else will be able to come along and add to this or correct me if i'm wrong.
I have read Reborn, and I believe that was mostly corrected for time reference, not plot. I have not read Reprisal (waiting for the updated version in a few months instead of reading the original version I have), but I believe that was also for references, not plot.
Nightworld has been heavily revised to account for the RJ series, which did not exist and was not even thought of when the original was written. The Jack in the original does not know a lot of things that the current Jack does, so the story had to be updated to reflect that. The heavily revised version was released as a limited edition from Borderlands press. The edition due out next year has only been very slightly revised from the Borderland one, and FPW has posted about those slight changes and said they would be hard to notice unless you were looking for them (or something similar). I plan to read the final version when it comes out, and then the Borderlands and original. There are members here that have already read the versions that are out, and i'm sure they can add more to the discussion.
I have read Sibs. It does tie in with the series, but it is not critical to understanding the RJ books. Some of the characters and events provide some background information that relates to one of the Jack books, but if you have read past it you would not have missed anything important. Reading it after the fact you can see the connection.
Black Wind is a book that should be read before By The Sword (if I remember correctly, I read so many in a row the books are blurring at this point). While not absolutely critical, it will add greatly to the experience, it is most meaningful if read at that point, and it is a great book it's own right.
The short story collections also have many stories that tie in to The Secret History, but you do not necessarily have to read them at any particular point other than before Nightworld (I do not think they have anything in them that ties in to the plot, but since the History ends there they would it would make sense to read them before).
Hope this helps, and feel free to post any remaining questions!