You must ultimately find the place where you can be most effective, and this will inevitably be in doing what you're best at. In other words, no one is 'good at' saving the world; one is good at music or painting or writing or politics or science--and any of these can put one in a position to make a contribution toward saving the world.
Radical Noesis is still going strong, with Rowan and the gang posting some really quality material! I still post there every once in a while, so go check it out!
