During last month's Tau themed BL party, they pushed out two new Tau novellas. Farsight by Phil Kelly and Fire and Ice by Peter Fehervari (which was released in the Shas'o anthology).
Being a pretty biased fan of Fehervari, I obviously preferred the latter.
Total different styles, tones, and overall story types. Hey, options are nice, right? Read the reviews, and pick one or both of them up....
Farsight by Phil Kelly
Fire and Ice by Peter Fehervari