"And verily, a woman need know but one man well, in order to understand all men; whereas a man may know all women and understand not one of them." ~ Helen Rowland.
First let's get the subject line out of the way - Any man who thinks he has the answer is an idiot. There are guys that think they know and maybe some women will agree with them but take it from a guy who has wandered, lived and loved from the farthest reaches of Asia, through the largest cities and smallest villages in Europe. From New York to California and the heartland of the bible belt in America
What Do Women Want? ~ Men Don't Know.
With that said an intelligent, strong and challenging partner can bring out the very best in us. Whether white, yellow, black or brown women bring out the best, and worst, in men. What do they want? - I don't know - but from this simple guys perspective it seems to come down to strength of character, a touch of understanding and a willingness to believe and pursue ideals and values bigger than self interest while pragmatically shouldering at least an equal share of the responsibilities. Stuff all men wish we had more of. Some want more... But most seem to want a dreamer that is also willing and able to do.
A Man Who Will Be And Do What Others Can't or Won't.
It's no different now than it's ever been.