I had the opportunity to get an MFA, but ended up declining. I needed one in order to teach at BYU. After working for them for 3 semesters, I decided I didn't want to teach for a university, and therefore didn't join the MFA program.
There's a lot of reasons to go get an MFA. But in my 20+ years as working professionally in animation/publishing the only place I've heard of that requires you to have an MFA in order to work for them is a college campus.
Every other place, from publishing to comics, to video games, to animation, just wants to see a portfolio.
Getting an MFA might get you the portfolio you need to get the job you want. If that's what you want, then I would look at schools that have professors who are currently doing the thing you want to do. I would also look at recent graduates from those programs and see their success rate at getting the jobs they want.
If it all adds up, then perhaps the money and time will be worth it.
There's nothing like carving out a few years of your life and devoting them solely to education without the need to make money.
That said, I think there's cheaper and faster ways to build a killer portfolio.