IO540
Your experience is better than an aquaintence of mine who seems to have had a few issues with his glass cockpit in a Cessna.
I have also noticed a few reports of blank screens in both spam cans and larger aircraft in the publications, all of which admittedly have landed without further incident. I think my reticence to move to a glass panel (if I could afford the STC for my twin) is that you dont just lose one instrument if things go blank, but all of them (OK second screen excluded)
However going back to the single engine issue, I fear that it is only a matter of time before a couple of serious accidents happen in big and fast single turbines in IFR before this is bought to the attention of our friends the CAA and they will try take steps to ban all (not just commercial) IFR single engine flights.