Yeah, had. Nerds will have good UAIs (i.e. for the rest of their days).
Complex, anyone? Haha. I detect a consuming insecurity in the same way that I "detect" the sun when leaving a dark room on a summer's day.
Deus Ex
Fallout
Fallout 2
Planescape: Torment
Baldur's Gate II: Shadows of Amn
(In no particular order.)
Honourable mentions for Vampire: The Masquerade - Bloodlines, System Shock 2 and Anachronox.
I replied to a similar question by another person a few weeks ago. I'll just paste that response here as it seems relevant. Sorry if it repeats anything.