Virtual Skipper, is indeed the ultimate must-have for all sailing fans.
If you are into first person shooters you may find watching the grass grow more entertaining.  If playing chess while studying the rule book http://www.isaf.org, if starting a game with "good wind all" and ending it with a "well done" while patiently waiting for the last boat to cross the finish-line, while you sip your beer and comment on some tactical manouevring with a skipper on the otherside of the globe, makes you tick this is as the doctor prescribes.