I do think it's a good idea--or at least to have the floors divided so that half is male, half is female--if there are common bathrooms that are separated by gender. When I was in college, the last thing I wanted to do was traipse across the hall to the shared showers with a bunch of guys staring at me in a bathrobe. I understand that we're all adults, but it's a matter of comfort--and sometimes safety.
That being said, my university also had gender neutral housing, with men and women living in the same apartments, so... At the very least, there should be the option, so if you AREN'T okay with it, you aren't forced into it.