http://qwiki.caltech.edu/wiki/Complexity_Zoo/- Catalogue of complexity classes. Good for quick reference.
http://www.eccc.uni-trier.de/eccc/-Electronic Colloquium on Computational Complexity.
http://fortnow.com/lance/complog/-Lance Fortnow's Complexity Theory web blog.
http://www.researchchannel.org/ - You will find some good video talks here. Very good site.
http://www.msri.org/ - This site contains very good video lectures and diverse math and computer science topics. Some topics which I found good are on Cryptography. There are talks on Quantum computing, Number Theory also.
I follow sahaj marg system of yogic sadhana under the guidance of Pujyasri Parthasarathi Rajagopalachari and found it quite effective. You can find the links on sahaj marg below.
http://www.vivekananda.org/ - This is a very good site where you can find some of the works of Swami vivekananda.