Vfd upgrade kit for pro xxl any one have?

[WillAdams (William Adams (Carbide 3D))]

Folks looked at this pretty thoroughly in this thread:

Aluminum work - Spindle vs Router vs AMB or Mafell milling motor

I’m trying to get my S3 XL ready for a lot of aluminum (sheet mostly) work. After reading so many posts on choosing among the drive options, here is my conclusion. Please chime in if you feel otherwise, and why. Water Cooled Chinese Spindles: Pros: Lower tool noise, however, the noise of cutting material is the same. Spindle owners consider it a substantial difference. Speed controlled via software. Precision mounts. Higher torque, but not really relevant due to the overall limitations of t…