Web usability is very important - probably the most important aspect of web design in my opinion. As covered in GUI class, and in the books on the Recommended List, it's become quite a popular specialiast field in web development too. eg:
And there are a lot of resources online too eg:
meow & ciao,
all graphics, text and design: copyright retrokat.com 2001-4
Note: If you personally hold copyright to any images or other content herein and wish it to be removed or credited, please email me on firstname.lastname@example.org and I'm more than happy to do so.