Your best bet is to go try a few places, honestly go to several different places and participate in class. Tell them up front that you going to try a few other places, don't sign up at the first place "because it's awesome". Don't sign anything more than 3 to 6 months. It's okay that after you...
Just did the force on force class today and it was great. The instructors are very professional and knowledgeable. The material was very relevant to the subject, such as, shoot don't shoot, when to draw when not to. And the facility is just awesome.
The video shows very little, just a shooting at the end not what led up to it. Not sure but I think fighting with a police officer makes you a felon . Going to get hard to find qualified people to be in law enforcement if they criticize you based on a 50 second video .
I think this is good training for us, to see how focused the shooter is, he didn't even see the guy right in front of him because he wasn't expecting him to be there. When you think most shooting like this has its roots in self defense, scanning for target or good guys or innocent bystanders is...
Thumbs up for Krav Maga, but I'm biased having trained it. I've trained some other stuff and there is a big difference between most M.A. and self defence. I say try Krav if that's ultimately where you want to be and don't worry about being out of shape.