Also I don't see something like ATM or photo booth benefit from running newer version of Windows. If the software works on it fine, the thing will run forever until HW craps out (which is probably the cause for the corrupt file anyway).

Are you seriously accusing Jesus of being MS fanboy?

Perhaps he meant a switch from PowerPC to Intel? Seems like kind of a stretch to compare the two, but I can't think of any other case where Apple tossed legacy devices out of the window.