Firstly, let me say that I "ADORE" my treadmill desk and I brag about it constantly. I would like to help you if you still would like input. Let me add that I already eat very well as I'm a Registered Dietitian and vegan. But working at a desk all day and not finding the time to go to the gym lately I had put on some weight. When I thought "I" had a great idea to get a treadmill and rig a desk above it so I could walk and get some exercise while working. I started googling how to make one when I found that Lifespan actually had a complete unit that looked wonderful. I wanted to put it in my office and still have it look attractive.
Let's just say in the first 3 weeks I had lost 10 lbs. As of now, I've lost a total of 20.5 lbs. since December 7th when I got it. I'm now only 5.5 lbs from my goal weight. Pretty amazing because I really haven't changed my diet - I was already eating vegan after all. But burning about an extra 500 calories a day while on the desk, and the residual extra calorie burn from increased muscle mass from not sitting all day has made the weight loss pretty much effortless. I would also add that my husband was a skeptic - and wondered if and how long I would actually use it. He is definitely a believer now!
My favorite parts:
*Large desk for work notes, computer, beverage, etc.
*Love that it senses and counts your actual steps as you walk, you can step off it briefly and it stops counting because it doesn't sense your steps
*Love that it tells you calories burned, distance, etc.
*Love that the control and readout is right in front of you while you work
*Very very quiet
*Best part is that you don't even think about it when you use it, then you look down and see how far you walked!