Personally, I just don't like dealing with troops, so I drop my racial useage of troops down (made dealing with the pacifistic Irha-Nrr..interesting..), which results in my butt getting kicked if I try
Mines work, but try that on PBW and you get your butt kicked. Most players take to including minesweepers in all their fleets, enough sweepers to destroy all your mines.
Phoenix-D