I'm a designer and I design web sites for a living, and this book didn't click with me. The topics in the book are repeated over and over and over and over again--simplicity and usability.
A better theme would've been "achieving beauty from simplicity".
While this is a good lesson to learn, unfortunately this makes for boring reading, and Nielson isn't even witty when compared to Edward Tufte.
Pros: Great academic reading, pages are in full color, great for
web designers who can't design and need to conform to
common everyday looking web sites.
Cons: Expensive for the little insights of do's and don'ts,
too much of the insights are really just common sense.