I think something like this would be good, im almost sure I would get one. Just like this new setup im working on, I cant tell anything is moving without seeing the water swooshing around my res, esspecially with the MAG pumps being so quiet its really hard to tell. Would also be a nice compliment to the MAG if something like this looked similar too
Seems like most newer mobos feature an autoshutdown function regardless, but personally I dont like testing to see if its working