May be of interest. A few excerpts:

Navigation must always be consistent.
There is a magic number seven (plus or minus two).
Users must get to all parts of the site all the time.
Users must know where they are at all times.
The user experience must be seamless.
Short is better, and long is sometimes better too.
Razorfish interviewing 8 people a day, hiring 3 people a week

Seven Lies of Information Architecture