Starcraft is a nice game, it got me busy for less than a week. Good game, I give it a 4/5. It's not a masterpiece though. It lacks originality, same thing was with Age of Empires (I loved that game more than any strategy, imho - the best game of the genre) - a critic on one of the russian gaming sites callid it - more of the same.... I quote him on starcraft 2 - it's more of the same with better graphics... Don't bother bying it, unless you wish to play multiplayer. Rather get it downloaded and check the game out...
I did enjoy the game, but never have been a fan of it. Not planning on becoming one... Waiting for Diablo III to come out, hope it won't be as disappointing as this one...
P.S. - after SC II, I don't play anything, just watch movies, work and trying to study. That's about it....