As much as a better CDP or preamp or amp can improve things, they can't begin to compare to getting the speakers to "play the room" with the components you currently have.
Buying more or better components without first fully addressing the potential of a speaker's interface with the room is - if you'll allow one more opinion - a near total waste of money.
That goes for Wilsons, Avantgardes, Magneplanars, Quads, or really any speakers.
Just my two euros...