From what I've seen, a generally obnoxious group of folks. Jeff at Shakesville runs down some things about MRAs:
What is an MRA?
He's a Men's Rights Activist, part of the broader Men's Rights Movement. He--
Wait, wait. "Men's Rights Movement?"
Yes.
...
You brought up abortion--I'm guessing the MRAs aren't exactly pro-choice, are they?
They're pro-choice for men. They think, by and large, that abortion is fine, if it gets them out of fatherhood when they want to, and they think, by and large, that abortion is evil if it keeps them from being fathers when they want to. They're big fans of spousal notification laws, and as you can see by the "Choice for Men" rhetoric, they're also big fans of having the legal system help them manipulate women into terminating pregnancies that they would otherwise carry to term.
It's kind of funny and kind of sad, but a useful primer nonetheless.
