I have a first-generation Apple Watch. The new watchOS 3 made me using the watch again after months, it makes much more sense now. Anyway multiple times a day I find myself stuck because the OS struggles a bit - not only using apps but even just swiping through the watch faces or with other very simple things. I'm considering upgrading to Series 2 just because of the performance boost, but I'm wondering if it makes all that difference. I'm not that interested in waterproofing and GPS, so I'm trying to figure out if it makes sense to pay for a new watch just for the new CPU and GPU. Should I just wait for Series 3?