Seriously, while I've run into several live info sites, I can't say that I have one that I regularly frequent, at this point in time. It should change as soon as the larger public becomes aware of this extension.
Well a game that I play theres a famous .info site there
The game contains ~350K people and grows very fast, so I'm assuming this should be pretty famous, and only get more famous
I don't know if there is a famous .info. The only one I have ever seen advertised is askusnow.info. It is on Maryland Television all the time. It is a free service of the Maryland Library System.
I don't have the stats to prove it, but my gut feeling tells me that its a similar situation in .com/net/org where most names are likewise owned by speculators.