No offense to Neal, but I'd love to read more of Snow Crash and Diamond Age style books.
Stephenson's latest book, Termination Shock seemed tired. It didn't have the sarcasm and vigor that sprinkled his earlier work.
Same as Dodge: fall in hell, it's so much longer than necessary, the metaphors were so drawn out. And yet there are enough good parts I'll read it, just not reread
I also imagine that his more recent non scifi stuff also appeals to a broader audience