With Final Wars, I was hoping to get a "good monsters vs. bad monsters" scenario (I first thought this upon seeing the picture of Hedorah and Ebirah together, and I remember reports that Gigan and King Seesar were going to have a fight). Oh well. My idea of that scenario:
Good Monsters:
Godzilla
Anguirus
Rodan
Kiryu
Jet Jaguar (him and Kiryu, 'dey's a team!)
King Seesar
Mothra
Baragon
Titanosaurus
Bad Monsters:
Gigan
King Ghidorah
Gabara (yes!)
Yah, so I've got the bad guys a little bit outnumbered, but I honestly can't think of many "bad monsters" I'd want to include other than these guys. Plus, they could simply be so dang powerful that it takes nine Earth monsters to fight them. As for Gabara, well, that's kind of a curve ball, but why not have him be the result of some sort of alien experiement involving the extraction of dreams! (Gasp!)
Anyway, that's my idea of a good roster, though I was satisfied with the creatures in both DAM and Final Wars (except in the latter, where I wanted to see more of them). My ultimate idea of a DAM-type movie would have most if not all the kaiju on screen at once, which DAM pretty much did but Final Wars didn't (and I was hoping it would).