I cant speak for the Wholesale Tools clone but the Bolton is a beast and well built.
Me, Flenser and gd.marsh are converting the Bolton right now. Flenser and gd.marsh ar further along than me though but here are links to all 3 builds.
Mine - http://www.cnczone.com/forums/bencht...ce_needed.html
Flenser - Yet another ZX45 conversion
gd.marsh - Bolton ZX45 Conversion