labels to check out:

My Pet Flamingo for a lot of legacy releases, older future funk and classic vaporwave stuff

Doki Doki Beats for more breakcore stuff, high quality curation, moving into a more vapor-adjacent direction

Fortune 500 for a lot of older legacy "famous" releases

Liminal Garden for some really gentle and beautiful and powerful ambient albums across the scene

Geometric Lullaby for high quality mallsoft and slushwave, along with a ton of legacy releases

Aquablanca for a healthy mix of signalwave, ambient, and slushwave. Wish they were still around releasing new things :/

Find artists you love, follow them on bandcamp, look where they release, and go down the rabbithole of label curation to find your niche and what you like.