Oh, and if you dislike headaches, let ancient browsers be the problem of their users instead of your problem, because it will only get worse as time passes.
I cannot agree with this more. Given that Firefox is a free download, installs quickly, and is a minimal impact on the system ... there is no excuse to not have a CSS-capable browser. Period.
And, if you're complaining that you may not be able to install it at work - what're you doing reading Perlmonks at work? :-)
Being right, does not endow the right to be rude; politeness costs nothing.
Being unknowing, is not the same as being stupid.
Expressing a contrary opinion, whether to the individual or the group, is more often a sign of deeper thought than of cantankerous belligerence.
Do not mistake your goals as the only goals; your opinion as the only opinion; your confidence as correctness. Saying you know better is not the same as explaining you know better.