"It doesn't have to BE right, it has to LOOK right" as someone once said, and he was right!
Now, MentalRay is
1: NOT FREE EITHER,
2: NOT PART OF MAX 1,2,3,4 or 5.
3: It's damn hard to use and set up properly to get a good results, and last, its the slowest of the three. If I were you, I would...