Posted - 08/09/2009 : 00:51:57 Steven, I use Mac Drive because I share big files from mac and Pc so I need to move External HD from machines. On my edting PC my Raid Gspeed 2T is formatted for Mac from factory, i just leave it like that and works perfect with my CS4 and the tests I have done with IVS too. Regards..Diego Pocovi