I am sure it is not the best UU, but I have been playing with the Enkidu Warrior and it fits my play style well. I go all out for republic, hoping to fend off war until then. At 10 sheilds and 7 "power points" it is very easy to have enough power that the AI do not decide to make war with you early. Then you can get into republic and your golden age and go on to will with the scientific warmongerer strat.