One of the nice things of firefox is that you can enhance it's working with plugins. These are my favourite plugins:
Don't you hate it when you arrive at an experts-exchange page and that you are misleaded that you have to subscribe to see the solution while the solution is at the bottom of the page?
This greasemonkey script removes all annoying text, banners etc based on css style.
Make sure you have greasemonkey installed and then click this file to install it.
This RIP script removes all annoying text, banners etc. based on place in HTML (XPath).
Make sure you have RIP installed and import this file.