Ghost Story is the standout here — very good indeed.
Ashes is a smart take on the Singularity, and I'd love to
have the illustration for it (by Jim Burns) as a poster.
A Doll Is Not A Dumpling has some nice ideas, although
I wish it hadn't followed the general trend of ending with the death of its
protagonist (at least Gareth L. Powell's
This Is How You Die is upfront