Please don't sign your posts. Also, I'd be quite surprised if there hasn't already been a discussion of this, so perhaps you should search and read to figure it out.
From what i read until BIS gear is obtained from 3.1, then arms could be the way to go? having not played on the PTR I dont know for sure but that seems to be the general idea. I was just wondering how true this was? is there any problems with aggro and also rage with only having one weapon?