Any good OS X Powertap analyzing software programs out there?

I am currently have Win XP emulation on OS X 10.5 running WKO+. I want to get rid of XP and run something that is OS X native. Are there any options out there like WKO+ for Mac?

I use Golden Cheetah. Its fairly basic, free I think. I pull enough data to make it useful. Pulls from PT no problem.

iSmartTrain - http://www.ismarttrain.com/

RaceDay - http://www.physfarm.com/ecom/index.php?main_page=product_info&cPath=5&products_id=15
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Raceday
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