Yes I built stabilizer. I had one on the Ice planet that got attacked, but I didnt notice it was udner attack till they killed it, so I built anotehr at my homeworld to cut the journey to the ice planet a bit. In most game I wouldn't build stabilizer without going for RA, but that game I was attacked from 2 sides, so I had to get there and back fast. Also I didn't have enough logistsics to get RA without sacrificing income, which would make RA worthless.