The snow biome and the planes are amazing. The planes are very easy to control on PC.
Here's an insane video of plane combat:
https://www.reddit.com/r/FortNiteBR/comments/a3n86aAlso, I like the Team Rumble mode, I don't want it to end... It's nice to have modes that are not BR. Less stressful, more room for experimentation, easier to complete challenges.