I use Bilsteins with adjustable perches and 160 pound progressive springs. I don't know if they are the best but they seem to work for me OK. Instead of asking, "what is the best"? Maybe you should ask,"in your opinion what is the best". Because that's what you are going to get.
Opinions.
Hah! I just realized. This is post number 2000.
Wait a minute. I just realized, they ALL say 2000