Looks like FireFox has taken a bit more of IE market share of the browser market. Latest browser usage stats below:

1 - Microsoft IE 6.0: 80.95%
2 - Microsoft IE 5.0: 4.18%
3 - Microsoft IE 5.5: 3.66%
4 - Mozilla Firefox 0.1: 2.79%
5 - Mozilla 1.x: 2.77%
6 - Mozilla Firefox 1.0: 1.79%
7 - Opera 7.x: 1.29%
Source: OneStat.com Nov 2004