wave is a good tool, though they do complain about scripts, which can pretty much be ignored now days. Run in on HN and it will give you an idea of what it does http://wave.webaim.org/ http://www.webnauts.net/check.html also has some tools but their browser emulation is dated. That being said the automated tools are good for double checking your work but nothing will replace the need for downloading a reader like JAWS and going through your site. If you look at my other post in this story it gives some development type links. As for colorblind, I don't know, I am color blind so I get our free on that one, my sites are already accessible to the colorblind. The big offense on that one is always make sure you back up color coding with some other type of system such as a number or icon system.