A Tutorial on Using QuadTone RIP (PC version) to Create Digital Negatives

A few days after my tutorial on platinum/palladium printing was published here on Luminous Landscape I received an email from Ron Reeder (co-author of Digital Negatives: Using Photoshop to Create Digital Negatives for Silver and Alternative Process Printing) expressing some concern that I had characterized the use of Quadtone RIP (QTR) for printing digital negatives as a 'dead end'.  He pointed me to a recent update (May 2009) of  his tutorial (version 3) on using QTR on a Mac to create the negative. Here's a link to where the QTR application and user guides can be downloaded. My initial attempts at using QTR were based on a previous version. Since I was already conceptually predisposed to the concept of using a RIP instead of Photoshop curves I agreed to have another look based on his updated content.
Before reporting the results I want to say that being a PC user I found that combining the instructions for creating digital negatives for a Mac and the QTR user guide for the PC was no...