Never tried a Para 3 (I know I should and will) because I think it is too small for me. PM2 is about the right size. I have tried only five different PM2s and it is hard to say which one is the best for me. They are digicam DLC s30v, DLT red M390, DLT tan 20cv, KW cf M4, and orange Rex 45. If I can only keep one, it would perhaps be Rex 45.