Christian Flake Lorenz was interviewed by the japanese magazine “Burrn!”, while Rammstein were touring north-america in May. Flake confirmed in that interview that the concerts of New York and Montreal from past December were indeed recorded, and will be used as material for the next live DVD. A spanish translation of the original interview can be found at Rammstein Mexico.
Regarding the upcoming tour, Christoph Schneider gave an interview to the mexican television channel “TeleHit”, where he confirmed that such tour will indeed have a new setlist, comprised of Rammstein greatest hits. You can view the interview here (in english, with spanish subtitles).
Finally, concerts for Finland and Belgium have already sold-out, within hours after tickets were put on sale. You can confirm this information here.