I bought Tropico Reloaded over a year ago and finally got around to playing it this week. I'm really digging it. Highly recommended blend of city building, economics, and dictator-style politics, all set on a Cuba-like tropical island. It has loads of scenarios with various challenges to keep me busy for a long time. Even the "easy" ones I've played so far weren't pushovers.
Tis the season for sharing, so here's a gift code for anyone who digs this kind of game but hasn't pulled the trigger yet: