> Here at work our web browsers have a proxy defined, along 
> with proxy exclusions to exclude our internal websites --
> a list like *.web.edu.au, foo*.edu.au
> Would you consider adding an exclusions textbox in the 
> options?
Err, but why don't use a regular filter, such as:
-*.web.edu.au/*
as last-ressort filter?
Or, do you mean to use the proxy only for certain URLs, and 
use direct connections for internal sites?