what is the best special effects godzilla movies from each era?

Wow... This is difficult for Showa, but considering that there are fewer and fewer from the later series, its not hard to omit one or two. Lets see... [b]SHOWA[/b] 1) Mothra vs. Godzilla 2) Ghidorah: The Three Headed Monster 3) Monster Zero 4) Godzilla (1954) 5) Son of Godzilla The rest aren't hard because Heisei has seven movies and Millennium only has six.. [b]HEISEI[/b] 1) Godzilla vs. Biollante 2) Godzilla (1984) 3) Godzilla vs. King Ghidorah 4) Godzilla vs. Destroyah 5) Godzilla vs. MechaGodzilla II [b]MILLENNIUM[/b] 1) Godzilla, Mothra, King Ghidorah: Giant Monsters All-Out Attack 2) Godzilla 2000 3) Godzilla: Tokyo S.O.S. 4) Godzilla x MechaGodzilla 5) Godzilla x Megaguirus

[b]SHOWA[/b] 1)Terror Of Mechagodzilla 2)Invasion of the astro monster 3)Mothra VS Godzilla 4)Ghidrah: The Three Headed Monster 5)Godzilla [b]HEISEI[/b] 1)Godzilla VS Biollante 2)Godzilla VS Mechagodzilla 2 3)Godzilla VS Destoroyah 4)Godzilla VS SpaceGodzilla 5)Godzilla VS King Ghidorah [b]MILLENNIUM[/b] 1)Godzilla 2000 2)Godzilla: Tokyo SOS 3)Godzilla VS Megaguirus 4)Godzilla against Mechagodzilla 5)Godzilla: Final Wars

this is great well let me ask each and everyone one of you this how awesome are the special effects going to be in the new movie?