Anyone with Macbook Pro - OSX Lion and using a HRM!?

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I'm looking to buy a HRM where I can download the data onto my macbook and see logs of my workout! Also should have automatic and manual training zones, calories expended etc!

I was going to get a Polar FT7 but then I read Polar wasn't compatible with my MacBook....and I don't wanna run Windows on it (I don't have Windows and nor do I want it)

I was looking at the Polar CS300 today and I was really set on getting that, but then I did a quick google on my phone while in the shop and I couldn't find out whether it would work so I left it

Can anyone shed any light?