I went to a small womens' college... I think I would have chosen co-ed given another chance. I figured since it was part of a 5C system that I'd be co-edded ok, but you really had to make an effort to socialize on other campuses since the social scene was pretty dead on all campuses. It was a lonely 4 years, and the type of women that the college attracted tended to be the same variety, which was really boring. While the living sitch was really nice (a campus with a lot of singles) it also encouraged one to be hermit-like. Ironically, the bigger liberal arts college there with the higher reputation? I found the classes there to be easier than my college's. They also had a better system for integrating students socially... a freshmen "pod" you lived with in a suite-like setting, most pods stayed friends through senior year. But their living sitch was bad and they were putting students in cabins and unfinished basement dorms... so I never had a great compulsion to switch colleges completely, just to cross-register classes.

Then again it brought me out to LA which was part of my larger subconscious goal, so while in a lot of ways I regretted going to the school I did, most times I don't. =)