For us "one man" marketing departments, it looks like we have finally beaten the Netscape users into submission. Latest data says 3.4% of browsers in use are Netscape.

Nua Internet Surveys Weekly Editorial

The latest stats from my company's website say this:
IE 5.x 52.34%
IE 6.x 31.68%
Navigator 4.x 5.05%
Navigator 3.x 3.11% (who the hell are these people??)
Others 4.59%