This week I'd been considering a brand new MacGuffin in the Earth/Venus space - the 10 in the 13:10:8 Laplacian. I focused on the least eccentricity, as having the best climate if nothing else. So: let's figure out what it even is for. Although it is close to both planets, so delta-V is not-terrible; the launch-windows make Hohmanns a rare treat. 1/2 meton our way, 1/3 meton Venus'...
I have been planning Venus for the hub for the Solar System at-large. So as a rule I think that, in Earth/Venus interactions, Earth should dominate the space.
Its main advantage is that Earth (or Venus) won't be limiting how much mass the station can accumulate, as long as the station uses the mass and isn't stockpiling it for dino-killers. And it should use that mass; for when layovers go for, what, 2 2/3 years or four years.
The station can serve as another waypoint to ship out rescue-missions for whatever cargo is going into sub-Earth trajectories. Better yet, to take on passengers between various Hohmann shipments to and fro; a little variety would be healthy.
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