Dunno, but Real World obviously uses Logic in house, and PG uses it for something or other live. Interesting set up those guys use, if you've seen them live. Its PRETTY COOL.
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2x1G G4 Quicksilver, iBook G4 1.2G, WRDA7, PCI324, MOTU Traveller, Digimax, Logic 6.4.3, Live 5, Reason 3, ReMOTE25