Feel like I should be wearing a tinfoil hat with all the websites I'm looking at right now....
on the perpetual motion machine thing...
Free-Energy Devices, zero-point energy, and water as fuel read chapter 4...

On the hho, I'm trying to decide between the smack generator ( definately simple...) or something that looks really slick, and actually has a good website with a forum and a smart helpful dude answering questions.
Homemade Hydrogen Generator
We'll see. somewhere in my 13 minutes of free time per week, I'm going to try to make one of these thing. turn my truck into an H bomb