Question for Vivofit users

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I've been wanting a fitness tracker and I think I've settled on the Vivofit2 when it comes out later this month. I do want to get a heart rate strap but I haven't decided whether I should order the bundle or if it would be better to buy the strap separate. For those of you who use a strap, do you have an opinion?

I had a Polar HRM with a soft strap and it was very comfortable but some of the comments on the first Vivofit had users complaining about the Garmin strap. I would rather spend a little extra on a better strap than just get one I don't like in a bundle but this is my first experience with a Garmin wearable so I have no idea what they're like. I don't want to spend money I don't need to. ;)