sports watch

I am looking at getting a fitness watch for reading HR and providing data including GPS when going on runs. I'm not the most serious runner, but the more functionality the better. Furthermore, I want to listen to music, and being able to carry only one device a big plus. I've been using my...

So for the ones who will buy the Aluminum model, what will you choose? Nike edition or Sports model?

I am about to get my 3rd SG SW in 13 months. My second one is going the same way as the first, starting to corrode. 3 things; 1) I am assuming its my sweat that is causing the corrosion - it started on the black apple logo - turning it white other characters followed then spread to the strap...