Thanks, guys. I picked up Leviathan Wakes by James Corey from the library, and I'm liking it so far. I'm 130 pages in. Like you said, Kerosene, it's got a little of that old fashioned style, but with more action. The characters aren't particularly interesting or deep, but that's okay -- sometimes I'm just in the mood for a good yarn. Corey keeps the plot moving, which I like. I'm looking forward to seeing what happens.
I picked up one of Peter Hamilton's, too, A Night Without Stars, Book #2 of the Commonwealth series (#1 wasn't available). I liked what I read -- seemed very imaginative -- but after about 30 pages, I decided I'd better put it away and try to find Book #1 instead, because I was missing too much of the backstory.
I think you'll really enjoy The Expanse series. I've read the first 4 books and the over all story is very good. The characters are kind of run of the mill but it's a solid read. I'm pretty sure James Cory is actually a pseudonym for two authors working together.
The Peter F Hamilton one is one of my favourites (the nights dawn trilogy) but god yes, do not start on the second one. You won't have a clue what is going on. It's one of the most detailed space operas I've ever read. It has hundreds of characters across loads of worlds, all with their own sub plots underlying the main story.