If anyone is looking to get a VWM type (clutch) differential I've posted a special over in the racing retailers section.
http://itforum.improvedtouring.com/forums/...st=0#entry79175
For those who want more info:
http://www.bildon.com/catalog/about/diffs.cfm
Pardon the brash commercialism but as a financial supporter of IT.com ... it's a perk :P