speed up Magento

http://www.magentocommerce.com/consulting/expert-articles/powering-magento-with-ngnix-and-php-fpm
http://www.kingletas.com/2012/09/10-concepts-magento-developers-should-know.html
http://www.gxjansen.com/101-ways-to-speed-up-your-magento-e-commerce-website/
http://www.magentocommerce.com/boards/viewthread/306555/
http://www.magentocommerce.com/knowledge-base/entry/ee113-indexing
http://gordonlesti.com/lestifpc/
http://tutorialmagento.com/how-to-solve-exception-printing-is-disabled-by-default-for-security-reasons
http://magento-forum.ru/topic/352/
http://kuzvac.ru/post/16573289440/extreme-magento-speed
https://www.varnish-cache.org/releases
http://magento-forum.ru/topic/908/
http://isranet.livejournal.com/149646.html