Total Video Games has word from the recently released Atari financials that a second NWN 2 sequel is in the works to be released sometime in fiscal 2009:

Revealed in the company's latest set of financials, Infogrames today confirmed a raft of new titles for the forthcoming year.

Finally the release notes that a second Neverwinter Nights 2 expansion pack is in the pipeline, alongside an Xbox 360 version of Asterix at the Olympic Games.

EXCELLENT news!