We finally killed Mythic Gul'dan. We traded Mythic Maiden for Gul'dan these past few weeks and plan to eventually sell some and alt farm them for ourselves.
Maybe you're looking for a stable guild to raid?
Our progression team raids Wednesdays/Thursdays from 8-11 p.m. U.S. Eastern time (Arthas time). We also use Tuesdays for optional split normal/heroic raids that most people attend with mains/alts.
Contact me at Defective#1213 if you're interested.