Hi fellows
I'm currently using my old marantz CD5001 with rotel ra-1062 amp and paradigm reference studio 20 speakers. I'm looking to obviously upgrade the player since I feel this is the main weak link in the system. I'm thinking the following models.

1) marantz CD6005
2) Cambridge audio azur 351c or 551c
3)Nad c545bee

What is the general opinion, which one do u think will work best with the components listed above?

Any advice is much appreciated