Below is the ranking of cities --- due to Obama effect, Chicago is chosen as No.1 Cities for men. Vibrant professional sports scene, art, music and movie festival, exiting restaurants and economic stability contributed to Chicago's win. I also think that Chicago's restaurant scene is quite exciting. I miss Alinea and Schwa!
3. San Francisco
6. New York
8. Hong Kong
13. Buenos Aires
19. Los Angeles
21. Panama City
25. Tel Aviv
27. Cape Town
San Francisco is ranked No.3 best cities to live for men. Askmen.com says that "The city’s boy-to-girl ratio (male: 51%; female: 49%) doesn’t seem promising at first, but remember this is San Francisco, so you can shave a good 8% to 10% off the competition right there".
While I think this ranking is very subjective (Vs. scienetific), I think it is interesting to see how "Frat Boys" wants from city life!
On the last note, most of these cities in ranking are known for quite high real estate price. However, real estate price in the cities like Chicago, Berlin and Montreal is still quite affordable. If you can suverve in severe winter weather for 6 months of year, they maybe best cities for you to live in!