some new textures, a higher resolution, since the originals ran at meh. ive played both on my PC though using... questionable means, but I used it a bench mark since CoD (not call of duty) is resource intense on a pc
enable max anti-aliasing, it should make a huge difference btw
and dont forget, those are TV pixels, they old CRT tv's basicly blurred everything a bit, so all those jaggies were less noticable