Originally posted by Phlabibit
Have you considered FireFox? It won't alert you when someone responds, but it does save a list of threads you've posted in... and also at a glance you can go to a forum and see the threads you have not read (Bold)
It also puts yellow, red, and green dots next to the threads in a forum. These are very important, but I forget what they do. Something about having posted there, and people posting after you.
well - to elaborate -
You'll need firefox (http://www.getfirefox.com) to start. Then you'll need the greasemonkey (https://addons.mozilla.org/en-US/firefox/addon/748) extension on top, and then the ourobous (a user here) script that does this (http://members.shaw.ca/ouroboros/RHP) - he's written lots of useful scripts to enhance the site.
The forum script also gives you a 'My Bookmarks' link that shows you the threads that you've posted in / bookmarked (using the added 'bookmark' link against a post) for whatever reason.
to recap -
Get firefox (http://www.getfirefox.com)
Get the greasemonkey addon (https://addons.mozilla.org/en-US/firefox/addon/748)
Get the ouroboros scripts (http://members.shaw.ca/ouroboros/RHP)