Seems like Warlord Games has released a couple 3-packs of civvies for the Judge Dredd game. They don't quite match the Infinity style, of course, but I'm sure there will be a few oddballs out there dressed like a refugee from the 1980s!
And of course there are the Fatties for use as PanO civvies:
(yes, that's actually a freaking wheel to support their belly!)