IO540 and Fuji .... may I respectfully suggest that you read PilotDAR's and IanPZ's insightful and well-balanced posts because, at this moment I canot think what else to say to get my point across.
If though, as I suspect, you are both being deliberately obtuse with the aim of furthering the Sport of Devil's Advocacy, I shall bow out now.
Cheers
Whirls