Logical Links
http://perplexus.info/ A site with tons of puzzle stuff.
http://www.thakur.demon.nl/ An OK puzzle site. More about riddles that LP's though.
http://www.mysterymaster.com/puzzles.html Great puzzle site!
http://www.puzzle.dse.nl/logical/ Another good site.
http://werple.net.au/~lions/puzzf3.htm MORE LINKS! YAHOO!
http://wordsmith.org/anagram Become obsessed, like Hack.