When playing vanilla and then BtS I always tried to place my cities very carefully. First of all, I tried to use all possible resources (which is obvious), avoid tundra and desert withing city cross and keep the distance between them, so the city will use all of tiles. RoM changed the circumstances, but I'm still mentally locked to these rules. After some games on 2.71 I'm ready to modify the city placement strategy anyway. First of all, RoM offers the possibility to work almost all tiles (even mountains in some modmods). Secondly (more important) the techs and improvements gives you so much food that you don't need to use all the cross to make the city big, great and prosperous. That gives you the possibility to place more cities in small area, which is good for two reasons: shorter distance makes the maintenance costs smaller, and secondly - it means better communication, and better defense in a result (it is easier to move your units within your borders). Does 2.8 change anything? What is your strategy in city placement?