In the next week I will be posting the results of a benchmark and general testing of Revit 9.1 on two identical Macintosh machines: one running 'Bootcamp' and the other running 'Parallels'.
Stay tuned for the results and recommendations.
If you are a 'MacPerson' then please don't visit the following link unless you've got a sense of humor...I Hate Macs starts off slow but it sure is funny when combined with the comments...
See you soon,
-J