I've been thinking about this somewhat. If something like this ever did happen, I think perhaps the best way to do it would be to buy some land, live on it, and then if anyone wanted to join you you could sell them or give them a section of the land. They'd be responsible for building a dwelling place, any utilities, etc. It would be, legally and according to the law, their property. The community would be what it was made to be. People would gather when they chose to gather. People could work where they wanted to work. People could have whatever "modern inventions" they wanted. At least at first, and possibly the entire time, an "outside" (outside the community) church would be attended for the eucharist. It wouldn't be "the community attending the Church," though, but really the community would make the Church their home parish. In other words, it'd be no different than living anywhere else and going to a parish. Of course, more (reader) services/prayers could be done on the property, as a group or by individuals as they saw fit. One family could do missionary work via the internet and work at an aerospace company, another family might work on a local farm and live very simply and reclusively.
Why all this? These are all examples... possibilities. They are things that could happen naturally, though. There is no big plan constructed which people will follow. There are guidelines, of course (how do people get property? for how much? what if they want to live like hermits and have no contact with everyone else? etc.), but for the most part it would be like any other community. There's no obligation to stay, there's no obligation to accept an ascetical or spiritual standard you can't attain. The benefits are the same as having a very active Orthodox parish--but perhaps a few more (e.g., people might be willing to help each other more when trouble hits since we would know each other better). There are probably also drawbacks.