Polar is back and is available at our website on www.bigbigplace.com, meanwhile, for those that bought from AC and have difficulties repairing, why not contact us and we'll try to help sort out (for free of cause).
Vivoactive touches surface of everything but not in depth where as FR235 are focused on running. Some customer bought it for their bike training too.

side note, we're offering 10% off your first purchase at bigbigplace.com  every...thing....