Re-designing your Web site can be a daunting task, but if you plan ahead and map out the purpose / vision of your site from the get-go, it can save a lot of confusion and heartburn. SitePoint has posted a brief but helpful article regarding the five points to keep in mind when re-doing your Web site:

1. Simplicity = Good.
2. Know your audience.
3. Who are you?
4. Get and stay usable.
5. Trendy is not necessarily good.

Read the full article:

Considering A Site Redesign? 5 Tips To Get You Focused