Datacolor User to User Support Group.

MacUser has reviewed S3Studio SR, see link below. They gave it a 5  
mouse rating, which is a rare honor (or honour, in their case)... 4  
and 4.5 mouse ratings are common enough, but I don't recall ever  
getting 5 mice before!

http://www.macuser.co.uk/reviews/271804/datacolor-spyder3studio-sr.html

C. David Tobie
Global Product Technology Manager
Digital Imaging & Home Theater
CDTobie@...