The very first thing they said to me was that the core rulebooks will span levels 1-30. Not only that, but those levels are supposed to extend the "sweet spot" of D&D, which WotC guesstimated at currently being levels 4-14ish. They have also tried to ensure that every class gets something new and exciting at every level. They did not list the core classes (although indicated that psionics will be supplementary, and not core), and they pointed to the front cover for the 4e PHB where is referred to (if I recall correctly), where it says "Arcane, divine and martial characters". I asked about the Rogue, and was told that the Rogue is a "martial character".
连击Rogue……XD