Starlifter: Do you sink three engineers into a new city, to get it to start at size three? Or do you use food caravans?
ABSOLUTELY use Engineers to Join to Size 3! I cannot maintain growth and science margins otherwise. This is why it is critical for me to have some "core" cities fully developed and working in a
DEMOCRACY... in GOTM 7, I had between 30 and 40 cities whose "job" it was, in effect, to "build" 100 cities from scratch.
Now to be honest, there are certain times when even 20,000 gold is not enough to buy improvements in all the cities I want, and at such times, I may hold off on 3 to 5 new cities going to size 3 instantly. That's because it is pointless (to me) for a city to start celebrating, and have it interrupted for any reason. Better (in general) for a new city to hold off until I can afford instantly buying all it's improvements, and use the money to keep other cities growing.
I expect the city to be a powerhouse in about 16 game turns from it's establishment. That is, it better be making me 40 shields per turn at that point (to churn out more engineers), or 50 (to churn out freight). I won't tolerate slacker cities in late game... time is too short.
I do not use food caravans to grow cities. Since I evolved my own play style in isolation, I never realized you could use a Food Caravan to force a city to grow, even if it was short of food. Hence, I disdain the FCT and even Food Caravans to this day <IMG SRC="http://forums.civfanatics.com/ubb/wink.gif" border=0>. Once in a while, I deliver one by mistake, thinking it is a commodity; however, in GOTM 7 I made no such mistake, and hence never used a single food caravan for food purposes. I used tons of them for Wonders and Spaceship parts, however <IMG SRC="http://forums.civfanatics.com/ubb/beerchug.gif" border=0>.
In a few cases, I will use a food caravan to keep a city from starving, like happened in GOTM 5 (the one where we were the Germans). I think I used a few in GOTM 6, too, during the "engineer shuffle" that I sometimes do in the final years before a SS lands.
But to summarize about your question... I join most new late-game cities to size 3 so they start instant growth two turns later. With enough excess food, entertaineers can even be used in a larger city (like joining to size 4 or 5) to make up for no temple, marketplace, bank, etc. at first. And that is another "power" of supermarkets.
BTW, if you're in very late game (past radio), use airfields or a double 3-stack of engineers to get the first farmland going. In very late game, I will sometimes lots of airfields if the world is peaceful. In GOTM 7, I covered central South America and parts of Russia with airfields because I was already short of engineer man-years and behind schedule. But there are certain downsides to using airfields, too... and that's probably another thread, as this post is getting long.
EDIT: Typos
[This message has been edited by starlifter (edited September 07, 2001).]