Please be aware that in testing Maya 2011 and prior releases with the recently announced Mac OS X 10.6.3 operating system, Autodesk has discovered compatibility issues. At this time, Autodesk recommends that Maya 2011 and prior release customers do not upgrade to the Mac OS X 10.6.3. The Autodesk and Apple teams are working closely to resolve this issue and will notify Maya 2011 and prior release customers once the issue has been addressed.
Pls refer to the Qualified Hardware docs for info on the what is/isn’t qualified...or the Mayastation blog.
http://usa.autodesk.com/adsk/servlet/index?siteID=123112&id=14959955&linkID=9242259
you can also refer to Mayastation blog http://mayastation.typepad.com/maya-station/2010/04/maya-on-mac-1063.html
Anil
Autodesk Product Support
Anil Choudhary
Product Support Specialist
Autodesk, Inc.