PokerTracker or HM2?

In a month or so I will buy one of this options. I want to know in your opinion and experience, witch of these 2 huds is better?

Or what are the differences between them?

Thanks in advance,

Most people only used one of them.. if you get used to any of those 2 you will use them for same things so.. go for the cheaper option..

I have used both and I think HM2 is a little easier to use, but I think PokerTracker is more robust for things like making your own custom stats etc.

If I had to pick I would sign up for the HM3 beta and if you like it buy HM3 when it becomes available.