I can't speak for the Justice, but I own an 04 MM, and it's a terrific little hunting bow. I have no trouble putting the arrow right where I want it.
Most will say that speed is not an issue...however, I like whatever speed I can get; with my stubby arms and MM gives me good speed for the DL.
Unless you are a really good shooter that shoots a lot, the MM will proably shoot better than you.