Eh Id say its somewhat of a minor point - I think the only business that will recognize an MS in any real way (salary/title/etc) is perhaps a big company like Google. I believe some positions within Google require an advanced degree (if coming from the outside). I have to say though that I personally have never seen anyone get a thumbs up based solely on having an MS. From a financial perspective Id imagine an MS will rarely pay off if you already have a BS in CS.