The Auren Aseph mod for BG2 has been released at G3. You can access the mod here.
Auren is a 20 year old human fighter who will join your party and will romance another NPC. More details can be found at G3.
Auren is currently SoA content only but does not require ToB. A ToB portion is in the works. Auren is also available for Mac OS X.