I've been using the World's Fair Knot exclusively for about 7 years. It's easy as the Palomar knot but I believe it is much stronger. One thing I don't like about the Palomar knot is that the lines sometimes cross and cut into itself, whereas the WF Knot does not. I've caught up to 50# albie and WSB with it.
http://www.metacafe.com/watch/917445...ot_how_to_tie/