Similar in being able to double spend only a short while until people notice what's up and dump their coins and/or stop accepting them as a payment. Does the superlinearity effect get to matter enough to offset the fact that if you crash the currency your masternode coins are now worth zero but you could still sell the mining facilities and hardware and recoup some of the cost?
I'm not sure what you're asking any more and I don't have time to keep trying to get the point across. If you're interested, please read up on the maths and other issues in more detail.
We had our 2 hour daily brownout so I wasn't able to complete my thoughts. I was actually editing the prior post when the brownout hit. I haven't had time to get a battery backup set up
Have you considered getting a laptop? Get one with a high enough res screen that during normal operation you can plug it into a monitor, then when your power goes out you can continue to work on the built in screen.