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I've used both and recommend the suunto. The fitness testing function is...useful, but you can gain and use much more information form the suunto, especially for the long run (no pun intended). Plus, you're not losing anything with the suunto since there are a number of parameters in which you can perform a similar (fitness) test with the provided software.

re the hr transmitter strap: the original strap I rec'd with the t6 was bad. Kind of stiff so you didn't get a good contact and it had grooves which didn't help with gels or sweat. I ordered a new one and now that I've figured out how to "pair" it to the watch it's worked flawlessly. I assume that a new watch purchase now comes with the improved strap. My wife also uses the same transmitter strap both with a jog bra when she cycles and with polars integrated jog bra (the one that you can thread the strap in) when running and it works great.
Bottom line: Once dialed in to my personal parameters I've enjoyed the suunto's recordings and feedback much more than polars.

go train.

	Suunto Visit SuuntoWatches.com to see Suunto's full line of wrist top computers and compasses.

	Suunto t6 - Click for more info The Suunto t6 is one of the most exciting new personal training devices to hit the health and fitness market this year. The "t" in t6 (if you don't want to get too technical) stands for "training". It actually refers to the time interval between two heartbeats, or EPOC. Measured to the millisecond, this interval allows you (using the included PC software) to assess your current fitness, set a proper training load, measure your actual fitness gain over time, and achieve your overall fitness goals.

	Suunto Bands - Click for more info The range of Suunto Core Acessory Straps include the six straps as found on the various Suunto Core wristop computer models as well as three additional straps. All straps are compatible with every Core model, allowing you to custom-tailor your Core to your tastes and needs.