Look at the games that we have today. They look all nice and polished and stuff, we strive for realism in games all of the time. If it doesn't look real, it looks like crap. Back then, getting realism in a game was difficult, hell...even getting a 3D perspective what felt like it was impossible! Then Star Fox came along and said, "Graphics?! HELL YEA MAN! We have the Super FX chip!"