Whatever you do, stay AWAY from Netscape 6.0 and above. It was redone by the goons at AOL, and they have totally ruined Netscape as a browser. It was the browser of choice at my company when it was 4.7. Now, we aren't allowed to use it, unless it is 4.7. We've had to go to IE.
It was incompatible with almost all our systems, and the security was "poor", and "unreliable".
I am a Netscape 4.x fan. But you are correct. Netscape 6 is a piece of crap.