id say your gear is pretty decent as you are. your crit is a little low, but you make up for it with good ap, and changing to more pvp gear will nerf that, which is bad.
raid buffed you should be close to 30 crit which is acceptable, and if you do see yourself low on crit, use agi pots.only thing i noticed that could be changed was your gem in the bracers.
gemming +hit as a warrior isnt a good use of a socket, so get a crit or str+crit gem in there.if your able to do gruul, get t4 legs to repace the pvp ones, and then hope for his gloves to drop. they are a lot better.
also try to do maggy and worldspawns (kazzak and lolwalker) as they can drop some nice items (plate shoulders from kazzak are best for fury until t5 if i remember correctly).
oh, and try to get the prince ring to replace the kara rep one