I believe that there will come a day very soon when everyone who is nay-saying the reality of magnet driven generators with limitless electrical production capabilities will finally eat their words. (the day has probably already come, but was suppressed...imo)
The biggest problem is that people have the spins of the magnetic vortexes all wrong.
I recommend checking out
Spintronics - The Secret World of Magnets by Howard Johnson.
I've also got a short video that I believe offers some insights here...
http://www.youtube.com/watch?v=F45pu2dkeJI