Amp for Vienna Acoustic Beethoven speakers

Took the advice of another member and recently upgraded from Vienna Acoustic Mozart to Vienna Acoustic Beethoven speakers. I now want to re-ask my original question relating to the Amp.

I am looking for an Pre-Amp/Amp or Integrated Amp to improve the soundstage and 3 dimensionality of my system. Clarity and detail are also important. Budget Approx 5K

Any recommendations?