JavaHispano.org is one of the best sites in Internet about technologies related with java. The site uses Spanish as the official language because there are many people interested in technologies which are not good at English. One of the best points in the site are the podcasts they normally publish once a week.
JavaHispano guys have given me the opportunity to collaborate with them and I have participated in two podcasts, one about GWT and another about Continuous Integration.
I encourage them to continue doing this invaluable work.