I'm kicking around the idea of selling my Series 0 and upgrading to a series 2. Reasons being that I could take more advantage of the water proofing, the battery seems better and I'd definitely will take advantage of the GPS, being an avid runner. With that said, I've searched through the forums and many people seem unexcited by the Nike edition. It has the band that seems to help sweat when working out and from my limited research its better then then knock offs you find on ebay. The complications and Nike apps seems like a nice touch as well. Overall however in contrast to the early excitement to this model, opinions and perspectives seemed to cool on this model From reading through this forum, however, I see many people advocating the purchase of the Stainless Steel model, because of the durability of the sapphire vs. Gorilla Glass. I will say my 1.5 year old (or there abouts) sports model has no scratches on the glass or sides. It looks as good as the day I bought it. I have whacked it on doors, corners and other things and so far its been holding up. I'm not trying to whack but I guess I'm a little clumsy tl;dr: Opinions of the Nike watch vs the other models.