The idea that it's somehow ridiculous to predict Democratic turnout similar to 2008 may have held some truth during the summer, but it doesn't anymore. Democratic enthusiasm is back up to 2008 levels and this election is looking more and more like a repeat of four years ago.
Ah, where do you get that?
I know that, at this point, there were both stronger registration and campaign activities for Obama in Phila in 2008. I've been surprised how quiet the voter registration office was last week.
PPP is in line with Gallup.
I get it from the numerous polls that show as much, a considerably better source than your anecdotal evidence from a solid Obama state.