Requesting recommendations for phono stage


I have a Primaluna Dialogue Premium Integrated amp with built-in phono stage.  My cartridge is a Clearaudio Maestro MM.
Can I improve significantly on the sound by getting a separate phono preamp?
Looking for recommendations.  My budget is $1,500 plus or minus.
Thanks!!
mabonn
I still have parts for a couple more VTPH-2As, but I have decided not to invest in more.  - Keith Herron
@600ohms thanks for the clarification, Mr. Herron. I sent you an email earlier today. 
Keith - thanks for taking great care of me and others! The wood faceplate is lovely as you know :-)
@600
@bkeske. Yes. And was happily surprised at how much of a difference it is from the already formidable as LFD LE I have. Still burning it in.