Survival and Emergency Preparedness

I like this as it gives a bit of TNG flavor, although we have rarely used it. In the movies/series you're always seeing a console bursting into sparks and knocking a technician down. And this normally happens while the shields are weakened but still up. Now of course this is handwavium and cinematic license to add drama, but it can be effectively translated to the game as well.

Anyone use it? If so, how do you like it? How many hits do you allow before you get an internal?