That's pretty much what I have in mind for my rogue, except that I use daggers and, currently, a white mask. The Cadaverous-Set is very nice and I wanted to use it more prominently since lvl 60, and soon it will be possible. This set is very easy to come by in terms of farming needed.
I still have Terrokk's Mask in my bank for years now and playing with WoWModelViewer I tried something with a red/gold scheme, not stealthy at all, I know :
alternatively with Crimson Steel: