Rogue Dao Studios is working on the Planescape Trilogy, a series of mods for Neverwinter Nights 2. The first installment, Purgatorio, is in development now, and will be freely released to the NWN2 community.
This demo release from Rogue Dao Studios brings you the Prime Material Plane, the first module in Planescape: Purgatorio. This is still a work in progress...