Is anyone familiar with this type of asymmetrical barbell system?? I think the Ultimate Burn Machine looks the most interesting! Here is the link: http://www.theburnmachine.com/
You can do the same thing with a standard bar, just by loading it slightly unevenly on one side and save a boatload of $$$.
CrossFit recently posted a WOD demo called "Uneven Grace". The standard "Grace" is 30 reps 135lb clean and press/jerk, for time. They recently tried a version with the bars loaded unevenly. Here's the video:
