I'd say that zero year has ranged from amazing (issue 24) to quite good (most of that silly dr death story). But now that we're in the rather insane "Riddler kills the city and proclaims himself king" part of the story I find myself...not really caring that much.
The whole GOTHAM IS DEAD thing has been insanely overplayed of late and the prospect of three more issues spent on this zero year story just seems like way too long.
I'd also argue Batman Eternal is playing a role in my lack of interest in zero year. There's a Batman comic that's setting up an insane story week to week and while it may not be always a great comic, it at least feels like it's important.
Zero year always had an uphill battle by being set in the past and having to skirt around but sort of re-do Year One and while they've done a great job, I find it harder to care if Gordon and Batman beat the Riddler when I know full well that not only do they beat him but he seems to suffer relatively little punishment and that Gotham is perfectly fine within a few years.
I'll keep reading zero year but I can't help but think maybe they could have told a more stripped down story in half as many issues as they're going for. Am I the only one who feels this way?