Absolution Gap, by Alastair Reynolds

This seems to be the last in the series started by _Revelation Space_, wrapping up quite a few characters and storylines, and resolving the baddies.

The chord that rings truest in me about these books is the way the author uses the plots and technology to delve into the human condition; how we get over stuff, how we deal with stuff, right and wrong, what it actually means to be human. One of his favourite themes is how our psyche deals with a technologically stretched life span.