Computer AI ...
The difficulty levels really need to be re-worked in Sins. I only play single player, but the easy/normal/hard/unfair is just too limited.
Normal is too easy. Hard, the AI gets full brain power but then a "small" resource boost. Why? That's unfair (and what I expect unfair to have).
Normal is crippled and hard gets to cheat. Where is the middle ground where the AI isn't crippled and gets no boost? I get really frustrated starting a new game and getting my face stomped on by every AI player having a fleet three times as large with only half the planets I own.
Instead of the four options, why not two sliders? One is AI brain power, from 0% to 100% -- you can cripple it however much you want, or have it run at "hard" levels. The second would be resources, from 50% to 200%, so you can select what kind of boost the AI gets.
As it stands, being a player with skills in between Normal and Hard makes this game NOT FUN.