I ran into this idea while reading my dishwasher's installation manual. While I'm not seeing a good example of a great implementation, the concept of the elevated or raised diswasher seems like a no-brainer for relieving back pain. Plus, the space under it could be used for storing soap and such.
DIY Dishwasher Installation I did in a small kitchen. I used a small dishwasher 18" wide for this apartment kitchen. Read here: http://www.gardenfork.tv/custom-diy-dishwasher-installation What was fun was making space in a small kitchen for a dishwasher where there wasn't a space for a dishwasher.