I've taken to standing about 60%-70% of my day. It seems to have helped a lot of the back and hip problems that I've had. I also do strength training 3 times a week with kettlebells which has also helped.

hour-long standing brings other problems, alas.

That's why you should take frequent breaks. And from my own experience, it's way easier to take a mini break on a standing desk then when sitting down.

Removing even trivial hurdles can sometimes drastically impact behaviour.

Because of the barrier to entry: money, setup, and all the unknowns related to switching.

Yes, there are transaction costs. But overcoming them is worth it. (And you can create a make-shift standing desk pretty easily out of a normal desk with enough stacks of printer paper or boxes.)

Bed risers work great (like the kind you might still have hanging around from a college dorm room). I bought some two years ago from Bed, Bath, & Beyond, coupled with an anti-fatigue mat. Not only did my developing back pain go away, but I've lost 15 pounds since then without adding anything to my exercise regimen, or drastically changing my diet.

edit: Forgot to mention: juststand.org

Can your recomend a brand/model? I would like to buy one for home.