>Emagic is a Linux port a good alternative : we as customers have a bigger >budget as for a free and reliable OS , much bigger choice of hard ware / >hardware configurations, ( Multiproc, clusters, Silicongraphics boxes, Mac >boxes) and Emagic has no riddles, no nondisclusure agreements, regarding >the OS : source code included ... Drivers are straightforward to make ( >Sonorus, Creamware are planning or already active) Knowing Emagic's track record you would have to buy a licence for each box and install a dongle on each, using a port that you don't have of corse. :-) If you want to see a Mac beowulf look at http://exodus.physics.ucla.edu/appleseed/appleseed.html Darren Please visit http://www.logicuser.net sometime.