NKOTB.com has posted some FAQ's regarding the webcast.
Also, Jordan will be picking one fan from all who order the webcast to fly from anywhere in the world and hang out with him and "the boys" (not sure if by "boys" he means the other New Kids or his two sons... Anyway, you can get more details on his Twitter page). He'll announce (or maybe even sing it) at the Dallas concert. Thanks to Jennifer for the update.