With the most recent Mac OS Update, OSX 10.5.2, the Matrox MXO is now compatible with all Mac models, INCLUDING the new MacBook Pros. Finally.
To get this to work, the following is REQUIRED:
Update to Leopard 10.5.2
Then Update to Leopard Graphic Update 1.0
Then install the Matrox MXO 2.1.1 drivers.
This has been tested by Matrox and according to them, it works. This has always been a thorn in my side, as I try to recommend this great box, only to have to tell people, “sorry, it doesn’t work with the new MacBook Pro models.”
Well now it does. Wheeee!