I have SolidWorks 2005 SP 5 on WinXP Pro SP2 open and running on MacOSX
10.4.2 on my 17" PowerBook as I type this note.
Yeah it is slow running on Virtual PC 7.0.2, but it is usable for checking, changing, saving eDrawings, doing screen shots and maybe a simple construction, when I don't have my Dell M60 close by.
I would bet that we will be able to dual boot Mac OSX and Windows XP by a year or two from now, based on what the developers using Mac OSX on Intel boxes are saying today.
I find it very useful to just go ahead and run both platforms, so I am never slowed down. If the day comes I can revert to one MacIntel box, so much the better.
SolidWorks is too damn good and productive for a mechanical engineer to not be using it and using it now. You will kick yourself for having waited so long on getting SolidWorks, once you are through the initial learning curve.
Bo