QTR-Quadtone RIP

This may not seem to be specifically about QTR but it really is.

I have a Mac Book Pro with QTR loaded and so far, by using the print
setup integration of QTR, I can't get consistent results. I only
started using the Mac in April so I have decades of experience with
Windows. I now have WinXP loaded on my Mac using Parallels. I'm still
much more comfortable using Windows than the Mac, but it's getting easier.

My Apple Cinema Display is profiled with Color Eye Display Pro on the
Mac. If I run WinXp, will I need to profile it again so Windows is
aware of the new profile or just point Windows to the profiles
directory on my Mac, and use my most recent profile?

If I load QTR for Windows along with the GUI I read about, and then
load the QTR profiles and install my printer drivers, does anyone see
a reason I should not expect good results by using the Windows
installation? Any Mac experts, Windows experts or QTR experts have any
tips or things to watch out for? 

Thank you.
Barry