I'm about 80% through Greg Bear's Hull Zero Three.
I love Greg Bear, but wasn't terribly impressed with Hull Zero Three. I'm not sure why, exactly. I haven't read all of his stuff, but Eon is the best of what I have read.
I would have to agree. The first half of Hull Zero Three in particular was kind of tiresome to get through.
But there are definitely some intriguing ideas in it.