Furman v. Georgia was by far the most intellectual riveting of the Supreme Court opinions to date. The exchange of ideas is simply amazing, even if some Justices were totally wrong in coming to their conclusions. Whether you agree with the Court or the individuals, this was by far the Supreme Court's finest hour.
The best ever was Bush v. Gore.
Have you actually read this excuse for a judicial opinion?
Read my thoughts on this
calamity in this thread.
I've got plenty more reasons to say why it was total garbage if you like as well.