DragonTHC writes: "I am faced with sitting for long periods of time to do the majority of my work as a consultant. It seems that truly ergonomic chairs cost more than $700 these days. What kind of office chair should I get that will save my back and keep me from getting the DVTs in my legs? What chairs are out there that I can afford on my small budget up to $300? What do other coders spend their lives sitting in?"