For my two early top planets, likely earth and the first 17+ class planet that I manage to get early on, I go asap for manufacturing centers and fusion power planets. They are first things I build on those planets when I get the techs for them and if I have trade goods or wonders, I tend to build them first on those two even before banks, soil improv or habit, and entertainment. Another important reason I pick manufacturing centers and fusion planets first for my top two planets is that I want to churn out the colony ships, constructors, trade goods, and wonders fast enough and those two would be the best ones for that. For the other planets, I need them to build up the economy to help me keep the 100% spending rate as long I can for my top two planets to keep churn out stuff. I tend to go soil improv, habit., first. Then entertainment centers to get population grow faster because I think this is the better build than banks. IMHO the peeps are the big tax income generaters than any economy bonus early on and entertainment centers pay for themself on decent planets. Plus I can keep taxes higher too for a while. Then banks, they are quick builds to make my peeps more efficiently at generating tax income. Then fusion plants as i need to get the constructors churning out fast to build starbases with producing bonuses to get me churn out the constructors even faster. I build both on decent planets (class 18+) even through fusion power plants may not pay enough for themselves. I always build both, manufacturing centers and fusion, on decent planets but fusion first because any income I get them is nice and I think fusion pays for itself long-term in productivity anyways. Then research labs if I do not have much trouble with economy otherwise economic exchange first (that is if I don't have stock markets yet). Then harmony generators after all reseach labs, economic exchange, and stock markets (if I have that) are built because those are the best morale enhancing buildings for your maintenance costs after entertainment centers. I was thinking maybe I should build multimedia centers before harmony generators because they are faster to build and they are almost as good as harmony generators and they pay for themselves on decent planets I think. :notsure: They are both 2 bcs maintenence and I tend to build both of them anyways. I generally do not get in trouble economy-wise because I get couple of techs and most of the trade goods before the other races and I sell most of them to all of the races for money and later on, ships when my productivity become pretty good.
~SDC~