Good Chair

I think I need to get a good chair soon. I've been using a chair which is not suitable for working chair at all so far. And I often get back pain in the night after sitting too long when I'm working. I've been searching online from some online stores to see if they offer office chairs with good deal. So far, I did not make any order yet but once I found the one that I am looking for, I will order it direct and I will ask them to send it right away to my place.