Perfect Collection!
The infinity engine has aged pretty well considering you don't even need a 3D card to play this game.. This game is almost bug free with the ToB patch.. the replay value delivered in the game is just almost unlimited.. depending on character, romance quests, subquests, and party makeup. The added bonus of 2 alternative endings to your main character also increases this.
All in all.. this is a game that should be looked at by all RPG game developers and players. For this game is timeless in its presentation and deliverance.