SME 3009 S2 ToneArm, or Rega RB-250 ToneArm

Which of these ToneArms would YOU consider the better performer once the following UpGrade is performed?

SME Cardas Rewire Service & Upgrades 3009/S2
Incognito Rega Rewire Kit (Cardas wire)

Please let me know.

Thankx.