The vast bulk of tournaments are the best out of 3 sets for both men and women. The grand slam tournaments are an exception rather than the rule. It came about through tradition and the idea years ago that women were somehow incapable of playing the five sets rather than the three which of course is a nonsense. If there was to be a coming together of that it wouldn't be women playing 5 sets though it would be men playing 3 - and there has been some pressure for that from the organisers and TV schedulers etc. As Al says longer games are not necessarily the best or a bigger attraction anyway. Especially in the earlier rounds where they may be more one sided. Is it really more exciting to watch a 6-2 6-1 6-2 match than it would be to watch a 6-2 6-1 match??? Plus we are lucky with the men's game at the moment in that in Federer, Nadal and Djokavic we have three all time greats playing at the same time and they are all good to watch. That isn't always the case where the men's game can sometimes simply be a big serving competition. This year argaubly the biggest attraction and biggest talking point is over a 15 year old lassie and not Nadal or Federer.