I just witnessed the best heroic polonaise...
https://www.youtube.com/watch?v=8_a8MwNdyic
The way he delays certain notes in the main melody (like the first F note) just HITS the spot. Ahhhhhhh
Cortot's Chopin collections consists of 5 volumes, they're all worth hearing at least once. Especially waltzes, etudes, 3rd sonata, polonaise-fantaisie. And most of it is criminally good.