I don't know what's the difference between those two in general. I am using PT4 which is pretty easy for setting up, I am 100% satisfied from it. I have also used HM2 but I didn't like its menu so much. As for the stats that many people refer to I can't get it. How is HM2 better? I would like a HM2 experienced user to explain it to me because I am in the dark about that subject.