I think Nwn 2 is a long way.
We've yet to switch to 1.69 which will bring a bunch of goodies. Developpers will also implement a few new domains (Hazlan and Dementlieu), so you can expect Nwn 1 to run for a very long time (years)
if we even switch.
Nwn 2 Pw's (RP) community is split between 3 or 4 major severs at the moment, and its ever decreasing in terms of popularity. I do hope the next expansion will bring all the goodies for the Multiplayer community to prosper, or you can expect Nwn 2 to quickly die out, saddly.
Edit:Add to that the fact we are a very small market:
Nwn 2 Pw RP Ravenloft Setting.
Aside the players we've got and a few curious, there isn't many Ravenloft adepts out there in a Nwn 2 community that is geared towards a Torilian setting.