Hi.
Meat is right, this bracket is about kill or be killed. Less than 4% resilience is not going to help much especially as Assassination as you do not even have Cheat Death. Gem full Agi instead of worrying about a small socket bonus. Other improvements:
Double gem slot belt, it is still better overall, do not focus on a small set bonus as the basis for big gear changes.
20 Agi on gloves. 0.74% crit>1 Attack Power (based on chardev conversion).
16 Agi on boots. 0.60% more crit AND 2 more AP (based on chardev conversion).
As you have vrttually no res, and burst is king on rogues, go 10 stats or 275 health to Chest if you must.
I prefer Skinning over Mining for the extra nuke, but if your worried about the extra health then keep Mining. Although it is not going to save you any more with the burst in this bracket as people tend to get 2-3 shot with that amount of health anyway.
Mongoose on weps is better than Berserking. We had a discussion thread (well several) ages ago in 70-79 and it was proven overall that Mongoose is better there, albeit as Subtlety. With scaling better at 60, the gap is going to be even wider in favor of Mongoose. You get more AP with Berserking but with Attack Speed increase from Mogoose the weapon dps is almost the same plus some 4.5% more crit and AND 6.54% more dodge for the duration...
Regards.