PCworld has a great article about HomePlug AV, a newer version of the older HomePlug protocol, which will be supporting speeds up to 200megabit per second, and will be supported by many new devices. The new protocol is to be ratified sometime in June this year. The article also describes how the HomePlug alliance is working on their own low-power and low-speed powerline protocol, designed with home automation in mind.
Read the article
Read the article