For $1350 plus your Rega P25 you should have enough to buy a VPI Classic - new TT and better arm or Scout II.
Alternately the cheapest upgrade for the P25 would be Rega power supply and groovetracer bearing/platter which would yield significant improvements.
Alternately the cheapest upgrade for the P25 would be Rega power supply and groovetracer bearing/platter which would yield significant improvements.