What is the difference between a Honda s2000s and a regular s2000?

I'm looking to buy a Honda s2000 and I'm unsure of what the difference between the two models, I know one of them is Honda s2000s and the other is just a regular s2000. Is it faster, more luxurious, is it worth the couple extra thousand?What is the difference between a Honda s2000s and a regular s2000?wikipedia honda s2000