A Planned City
I've often pondered the (crazy?) idea of creating a city specifically to try a myriad of esoteric advanced voting reforms: Score Voting, SRV, Approval Voting, Reweighted Range Voting, Asset Voting, 3-2-1 Voting — you name it.
This isn't necessarily as crazy as it sounds. One of Y Combinator's research initiatives actually involves making "new cities", planned to meet today's urban challenges like housing and public transit.
Prospect New Town is a pretty impressive "new urbanism" development near Longmont, CO. Not incorporated as its own city, but the basic model of building a community from scratch is well established.
Often times these ideas stem from extremely narrow ideological interests, like "We're going to build a floating Libertarian Utopia and never pay taxes again!" I'm not suggesting anything exclusive like that. The idea is to invite any and all, with really the only core unifying being "advanced democracy".
As for the underlying development, it would have to have some kind of exciting idealism of its own, the way Prospect New Town does. I can imagine some kind of sustainability focus, with solar panels and dense walkable neighborhoods. Who would be remotely interested in such a crazy idea?
Note: Oregon is one of 10 US states where cities have local control and can use whatever crazy voting method they want without state permission. At least as I understand it. Portland formerly used Bucklin Voting for instance.