Since this thread has been raised from the dead inadvertently...
PHB4: Shadow, Martial, and Psionic Heroes (presuming PHB3 has only one psionic class per role) - Includes Beguiler/Illusionist, Necromancer, a Dex-primary/Int or Cha secondary martial class along the lines of the 3.5 Swashbuckler, and Soulknife as a Psionic Striker
A campaign setting that introduces Birthright-style rules for rulers (or perhaps a section in DMG3)