Supermax Here http://guidescroll.com/2011/07/city-of-heroes-dominator-powers-guide/Read and have fun..
that's a great read. I always found that Psi as a good secondary, it gives a good mix of control and ranged damage to what can otherwise become a squishy character.but then I always tended to play mid-road characters like combat healers and tanking stalkers, so I might be a bit biased