David,
Why would you assume scratch only audio? The 5in XLR input is at the front of the camera not the rear, so maybe that is confusing to some, but the camera will record professional quality audio 24bit @ 48k that is not scratch audio in my world.
gary adcock
Studio37
HD & Film Consultation
Post and Production Workflows for the Digitally Inclined
Chicago, IL
http://blogs.creativecow.net/24640