Reading over the instructions, this looks like it’s a more complicated DIY project than some and even more complicated than other Arc Reactors people have made in the past. That being said, I so want to build one, freaking awesome. Check out the instructions to make your own and raise your geeky reputation. Though if you get excited and read this as quickly as possible so you know what to go get to create your own, you need no help raising your geek rep because you are already there.
Instructables website, check it out for all kinds of other DIY projects.