Since there are so many different watches/bands, maybe it is a good idea to have one thread?
Today MS announced the Microsoft Band. It is $200usd and currently only available in the US but it sounds really awesome. Shaped like a samsung gear fit but has 10 different sensors like gps, heart rate, skin temp and even UV. It is also cross platform for ios, android & WP.
http://www.microsoft.com/microsoft-band/en-us
I am interested in this as I used to have a fitbit force that got recalled and am kind of more interested in the fitness aspect than having a smart watch though the moto360 seems like it would also be worth while.