According the standard geek-scale, I have a real low threshold for quality in my super-hero movies--I loved both the last Clooney Batman and Catwowan, after all.
There's just something about those movies that don't take themselves or their source material too bloody seriously that appeals to me. I can see some elements of that in the Iron Man previews I've seen, so I'm looking forward to seeing it. (Maybe this weekend...)
In the meantime, there's this: