For those who are getting (or want to) started with memcached:
http://www.hugotroche.com/my_weblog/2008/06/ehcache-vs-memc.html
http://lemnik.wordpress.com/2008/09/10/why-memcached-is-probably-a-bad-idea-for-your-java-app/
http://gregluck.com/blog/archives/2007/05/comparing_memca.html
