Golem: perfect response :-) Processing the HTML tags alone in a lot of today's "modern" websites would push even a 060 - if you want add modern technology such as AJAX on top of that...forget it. :-) which is why no one is going to update the 68k browsers in a usable or be able to make them usable. i can tell you that, having worked a little on "a" 68k browser engine myself :-)
