These are some of my fav PC games:
- Deus Ex
- Thief The Dark Project
- Commandos Behind Enemy Lines
- Commandos Beyond the Call of Duty
- Carmageddon
- Heroes of Might & Magic II&III
- Max Payne 2
Of course many multiplats from previous gens are much better on PC on Max and with mods but many also don't have native controller support which is a bummer for me.
Deus Ex (2000) - a game that pushes the boundaries of what the video game medium is capable of to a degree unmatched to this very day.