So, I've pretty recently been made aware of the fact that octopi (or is it octopuses? or octopodes) are extremely cool. I want one. But man, it looks like a pretty big undertaking. I've picked up some info from browsing the forums, but I don't have a clue what I'm doing. About all I've raised before is goldfish. Is there a site with detailed information about the basics of running this kind of tank? Just an introduction to the vocabulary would be handy -- what's a sump, what are the different kinds of lighting and filtering, etc. Thanks for helping!