If you want a recording of all 14 Chopin Waltz's and some other pieces that are played the best, search out Dinu Lipatti. I assume though that this is not what you mean by "sound the best". (Many recorded in 1950 shortly before he died of Leukaemia at age 33.)
In the same vein are recordings by Artur Rubenstein. The only modern recordings I have are by Ashkenazy and Perahia. I also have some Moravec on LP.