I've been meaning to try A. Lee Martinez for a while and Peter Clines has been making a splash lately with his Ex-Heroes series, plus some other good ones.
Audio (all from Brilliance Audio):
- Emperor Mollusk Versus the Sinister Brain by A. Lee Martinez
- 14 by Peter Clines
- The Garden of Stones by Mark T. Barnes
- A Discourse in Steel (Egil & Nix #2) by Paul S. Kemp
- Carniepunk by multiple (Gallery)
- A Once Crowded Sky by Tom King (Touchstone)