Why Upgrade the Rega Counterweight?


I recently acquired a new Rega P3-24 with the Elys cartridge. Out of curiosity, I've been looking at the tweaks and upgrades for this unit. Have any of you actually replaced the stock counterweight? What differences did it make?

What about the white Drive belt that's advertised, does this really make a difference? Is the stock belt so poorly engineered that it can be improved with an upgrade? Why wasn't it installed as original equipment by Rega?

I'm really enjoying this table as it is through my Sansui AU20000. I also have the TT PSU which is essential for this table IMHO.

If there were effective tweaks that I could apply to this table to further improve it, I would be interested.
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I have an Nad 533 with an RB250 arm. I was very skeptical that changeing the counterweight could make any difference.
Boy was I surprised when I installed a Michell Tecno Weight. The bass was tighter and had more slam. The overall tracking seemed to improve and everything sounded better across the board. It was not a subtle improvement.
Highly recommended. I also installed the white belt but the old belt was so old and stretched that I can't comment on the sonic differences.

I have heard many good things about changing the subplatter
also.
You would also need it to use a heavier cartridge, like the Denon 103 for example.
I changed to the Origin Live endstub/counterweight. Seemed to clarify everything. That said, I would not recommend investing in incremental upgrades to Rega arms. It is money down the drain, at resale time. Better to save up and get a better arm.