I really like Sins of a Solar Empire, but I kinda feel like all the factions are the same. They frigates are essentially the same (each has a combat, siege, missile, scout and colony frigates), same for the cruisers. Even the capital ships feel pretty much the same. The tech trees, capital ship abilities, and super weapons do set the factions apart, but they still feel mostly the same.

My idea is to make the frigates and cruisers feel more different. For example the TEC frigates could be more sturdy with much better hitpoints and stand there and trade blows with the enemy, while the Advent could have light nimble frigates that dart in and about their enemy dodging weapons fire and hitting critical systems on the enemy ships, but if caught in a crossfire get chewed up. Same for the cruisers. Also I think each faction should get its own unique frigate and cruiser type, with the TEC getting something like a heavy assault frigate armed with the cobalts lasers and the Javelin's missile launchers.

Also, I think each faction should get a super capital ship as a tech level eight ship. It should take like 5 fleet command to field and be able to own a capital ship like a capital ship owns a cruiser.

As you can see I am a person who likes more, and I want more world types and everything.