It's the entire (highlights of the) SDCC 2011 X-cosplay! :D I'm posting 'em character-wise & putting my vote against the best one for each group. Do sound off in the comments with your faves!
Wolverine's offspring, well, his son & clone :P Daken & X-23
The pains in Logan's side- Lady Deathstrike, Mystique & Cyclops
Phoenix/ Dark Phoenix/ Jean Grey/ Marvel Girl
Father & daughter- Magneto & Scarlet Witch
The main character all you guys were waiting for...Emma Frost
Domino, Firestar, Gambit
Wanna see more? Check 'em ALL (non-X & non-Marvel included) out at Marvel & ComicVine! Next: Watch out for the SDCC 2011 Wrap-up post on my blog!