I am thoroughly enjoying the current meta. With zEP/Vader/Thrawn in front, I can win with a variety of toons in the last 2 spots. I've run, or seen people running Nihilus, Tarkin, Shoretrooper, IPD, Sith Trooper, Starck, Zidious, and Dooku just to name a few. And it appears that we have more options on the way including a possible DS equal to GK.
Also CLS teams, and JTR teams are still perfectly viable. Nightsisters are hurting, but hanging around. And I'm actually seeing more Thrawn leads, and Rex leads since zEP has been on the rise. The devs deserve lots of credit for giving us a variety of options to run. I love the diversity. Anyone who wants to complain about the current meta doesn't remember when 100% of the top 50 in arena was Dooku lead, RG, GS, QGJ, Rey.