Found a couple more things that can help out.
This is an all over calculator, does covert-ops, production, research, construction. not sure if it's a mirror of something already there.
http://oizo.pilgerer.org/pa/calc.html
Here are some GreaseMonkey scripts which should work in Opera 9.something as well as Firefox
http://www.webervaring.nl/pa/tools/
And a Firefox extension to turn plain text urls into clickable links
https://addons.mozilla.org/en-US/firefox/addon/190
If you get around to updating the list can you remove the blern stuff please? I haven't got time to update it any more. Thanks