If for any reason you'd prefer to make it more difficult for someone to see you complete friend list (for example, if someone appears to be targeting you with slander and false accusations), one thing you can do is to remove the View All Friends link at the bottom of your Top Friends list on your profile page.
The blog post "Remove the View All Friends link from your MySpace profile" at the O'Reilly Media MySpace page MySpace.com/OreillyMedia describes how to do this.
Buy MySpace Safety: 51 Tips for Teens and Parents direct from the publisher for $9.95 (33% discount) with FREE shipping:
Or buy from your favorite online bookstore: