Seconding the standing desk suggestion. However, if you go to buy a "standing desk" you'll soon find that they're abnormally expensive. If you just want to try it out (somewhat) cheaply and have an IKEA nearby, these links might help:
agree with the guys above...sounds like a pretty easy solution to me. i think there's a lot of positives that can come from a standing desk. more than anything, it's a much healthier lifestyle than slouching over 10 hours/day.