Since you haven't had any responses yet, I'll mention that a recently-started BtS (Beyond the Sword) of the Month (BOTM for short) game is being played at Noble Difficulty Level:
BOTM98: Justinian and the Hippodromes
The BOTM games aren't played quite the same, in that people only write messages about their games after two important milestones: once after 1 AD and once after the game is finished, and you can't read about other players' experiences until you've played your game until the same point (either until 1 AD or after having finished the game).
But, the games are similar in that players will play on the same map as each other. Also, players can discuss their progress to a limited amount: discussions can occur of events that happened pre-1-AD after having reached or passed the 1-AD mark in one's game. That's a good time to make a proposal for your plan for the rest of the game and to ask for feedback on your plan from other players.
Further, prior to starting the game, players are free to discuss what they PLAN to do in their games inside of the Pre-game Discussion thread, based on the game's settings and the initially-revealed terrain (provided via a screenshot).
In addition, it is important to note that you only get 1 chance to play each scenario, with no reloading.
It's not quite the same thing as Nobles Club, but it could prove to be a suitable replacement for you if you're looking to have a fun romp of playing Civ 4 on the same map that other players are playing on, in an environment that promotes sharing of experiences and learning amongst players.
We've just switched the
Schedule for Game of the Month games to have Noble games once every three months in Beyond the Sword, with incremental games every month taking you also through the slightly higher Prince and Monarch Difficulty Levels, before starting again at Noble.