I'm just about done with the super sample farm, only one more ship upgrade to get that needs them, I think after that I'll probably drop down and just play difficulty 4-6 as I've actually had a bit more fun in that range from the games I've played with randoms in recent nights. I prefer fighting the bots I think, much more consistent and manageable, bugs become too much at at times on the higher difficulties with all variation and stun locks.