Honestly, it would have been cool to see the other protagonists' Gundams become ELS hybrids like the 00 Qan T did. 00 Qan T would most likely remain the most powerful, but
GNT-0000 00 Qan[T] | The Gundam Wiki | Fandom
Gundam 00 - So someone retrieved this from Area 51. Seems to be some sort of ELS Qan[T]'s metamorphosis diagram. | Facebook