I know I hadn't. Apparently it was only released in Japan. It had this awesome online service called Randnet. Here, read more about it here:

http://en.wikipedia.org/wiki/N64DD

Pretty cool huh?

And Check out this! Legend of Zelda Ocarina of Time was actually going to be bigger and better than it already was!!!

http://www.unseen64.net/articles/zelda64-project-development

Sweet stuff.