Every few weeks I read a study, like this one, that basically says that sitting at your job leads to premature death and disease.
So I got this stand up rolling desk
And it's worked out better than FitDesk Fitness Space Saving Semi Recumbent X Bike for Laptops
In a perfect world, I would have a treadmill desk. But we live in a teeny tiny house and there really isn't any place I could put one. Plus I was kind of bummed when I figured out you needed a way to mount your screen at eye level.