Hey everybody. I tend to spend prolonged hours at a time (with a few breaks when necessary) seated at my desktop computer. I have a pretty standard chair which I think might be an issue. Yesterday I developed a pretty sharp pain in my upper back and this morning I woke up barely able to move my neck without excruciating pain. This is not the first time this has happened to me. I believe the culprit is both the chair I use at my computer along with my posture while seated. I don't pay much attention to my posture while working at my computer, and my guess is that I'm not sitting up straight enough. I'd like to purchase a new chair which will provide me with substantial back and neck support (while also, of course, making a point to sit up straight in it). I'd appreciate some recommendations if you have any. I'd prefer not to break the bank if necessary. Perhaps nothing more than $400. Thanks.