[quote]Planets outside a liquid water zone that don't have an atmosphere, but may be ideal in size and resources, would have to have dozens of terraformers constantly going to keep the planet stable, with a stable global climate. Again, it puts a bit more emphasis on strategy- controlling terraformers means essentially controlling the planet's surface.[/quote]

Realistically, this would only apply to (certain) organic lifeforms. Depending on their respective technological standings, post-singularity nations are likely to disregard preemptive terraforming entirely because a forgiving planetary atmosphere isn't necessary for their hardened synthetic bodies to function properly. Some species might opt to construct their metropolitan centers deep below a world's surface. 

And then there are fleet-bound and station-bound factions to consider. 

Honestly Wilson, the rules that you're peddling here aren't exactly compatible with a universe where dyson shells, gravity generators, positron cannons, exawatt pulse grasers, and relativistic railguns exist. 

What you want is a science fiction RP where Project Orion became the standard after the Korean War and superluminal travel was discovered during the Gulf War.