New TT or old

I purchashed a Mac Tube MC225 w/C33,MR77,MCD2007 and run it through Klipsch LaScala. I recently hooked up my old B&O TT and rediscovered vinyl. WOW!

Is my old B&O TT (1700)worth spending $230 on for a new cartridge, or would the money be better spent on a better TT altogether.