Ok, used to wear my watch all the time and then stopped about a year in. My main problems with series 0: 1. Slow, like no longer usable and slow. Even after a clean reinstall. 2. Not waterproof (for the occasional swim). 3. Was tethered to my phone. So if I go for a run, then I still gotta carry my big ass iPhone. 4. Battery life. I wanted to be able to go about two days without having to recharge. The thing is once I take my watch off, I forget to charge it and end up forgetting about it weeks at a time. Do you think Series 3 solves all of these or should I hold out for a couple more months and get a 4?