I was working in visual effects where we were doing 9 to 11 hours per day of work at a desk. Nearly everyone ending up buying their own varidesk (varidesk.com) I can't recommend them highly enough, especially if you work at an office where you are provided a regular desk. Varidesks just sit on top of your regular desk. I liked using a standing desk so much, I bought a Geek Desk for home use. geekdesk.com If you get one, be sure to get a standing desk floor mat as well.