How does a vintage turntable compare to what is available today?

I have a Kenwood KD 500 turntable with a Grace 707 tonearm and a Great American Sound Sleeping Beauty cartridge with a Ruby Cantilever with Nude Contact Line stylus. Can anyone advise me as to how this would rate with present-day turntable platforms?I

I am pretty happy with this platform but I am always curious as to where I could improve. Thanks.