It is extremely important that all information be maximally accessible to everyone, even people who use systems different than your own. If the choice ever comes down to making something look nice for some people at the expense of being virtually unusable to others, you must choose the more humdrum look. This is about information sharing, ladies and gentlemen, not about holding someone prisoner and torturing them. Here are some simple guidelines I give to people designing HTML to help them avoid unfairly discriminating against people who aren't like themselves. This provides optimal accessibility for all.
Some people add emacs and opera as well.
Important Note Let it be duly noted that the Federal Government is about to require all government institutions and federal contractors to follow guidelines similar to most of these. While this is not mandatory for the private sector, it's a fine idea. The Electronic and Information Technology Access Advisory Committee presented its final report to the U.S. Access Board on May 12, 1999. A press release highlights major provisions. Also, check the frequently asked questions .