Originally Posted by The Grog

With the new pvp gear, you are better off going out and farming honor and getting your 10 arena games in than clearing KZ or Mag. Gruul has the awesome dragonspine trophy, but that's the only useful item.

Merciless Gladiator Gear > t4 for most classes.
New PvP jewelry and BBB (belts, boots, bracers) > KZ.

Void Reaver and Solarian are easy, if you cheese AR on High Scryer Solarian. ( not an astromancer). Alar is harder, and probably shouldn't be attempted until you can kill half of SSC or so.