Iv just ordered and iMac in my total switch from my PC gaming rig. I hope some here might be able to help with a sound question I have. 1) I use an Xfi Titanium in my PC, in conjunction with my Logitech Z5500 5.1 speaker system. This has a setting in the Xfi drivers that basically allows sound to com from all speakers , not just the front one when using voice chat etc. Will there be any way at all to replicate this in OS X? Ill be hooking up the speaker system with a mini digital to optical cable.