Ok... I'll be the first one to humour this thread with a response. Because I have a question.
Yes, that plate looks like it would stop most rounds quite well. I'd think it would be a good buy. But I feel like I've heard that Steel plates are not only heavier, but they will also direct the splash of the impacting bullet in a 360 degree spread which includes right up into your face??? Is that correct?
You could always do like the myth busters and either make a suit or line your vehicle with phone books!