Something similar to the first screenshot in the article. Until then, Quake II on software graphics was a cool game for me but a game where you saw pixels everywhere, like every other game at the time. Discrete graphics cards on the other side made the game's graphics take a huge leap forward. It was a quality (and not just speed) I hadn't seen before, so much so that it was almost a different game for me. I guess it was 1999 or so.