Hi !!
I have recently bought a CD with the complete Chopin Waltzes and Impromptus by Cziffra and like it.

I have read somewhere that Cziffra is not considered a very good Chopin interpreter, so it is probably not a "reference recording", according to music experts, but i have no enough knowledge to judge that opinion.
On the other hand, being budget-limited, i tend not to buy many different versions of the same pieces, because i prefer to expand my CD collection with new pieces. So, i did not listen to any other COMPLETE set of the Chopin Waltzes to compare.