Ehh, maybe I should put Poke Floats 2 in. Not sure where it should go though - the stages are already maxed out.
You could place Poke Floats 2 in an extra folder as an optional stage because I know Poke Floats is not a stage in melee that everyone enjoyed.I haven't tried it personally because installing stage mods is something I have much experience in, but the videos seem convincing. The only complaints I have about it is the background, occasional floats flying through each other, and some cheap platforming.
Edit: Found a video of PokeFloats from Melee in Brawl. Still a work in progress. At 4:15. I don't know if people are still working on it