Ancient browsers for download - useful for developers

[Caffeine]

I found this link to MANY ancient browsers, how about IE 1.0 or Netscape 0.4 ?! :D

You'll find them all here:
http://www.oldos.org/downloads.php

[cg9com]

whoa

[kansel]

also www.oldversion.com (http://www.oldversion.com/)
though they don't have browsers, but plenty of old version software including IM clients.