A lot will depend upon where the sonic bottleneck (weakest component) is in your system.
Usually it will be a mechanical transducer (something that turns vibrations into sound - turntable, or signal into sound - loudspeaker.
Both of these need care in setting up and placement. So it's best to make sure that these 2 requirements are fully met before you consider upgrading.
A carefully set up budget turntable will easily outperform a far more expensive one that isn't.
In fact you might be better off exploring some methods of isolation from vibration first, for both your turntable and your speakers.