The Desperado ability can be used with any move action, not just a Full Move like the Hip Shooting talent. This could include the Run, Tactical Advance, and Disengage actions, to name a few.
I'm now imagining a Desperado with Sprint running past enemies at blinding speed, pumping them full of hand cannon rounds while emitting a fearsome war yodel
Actually, I asked the Devs about this:
This question, specifically:
3. The Desperado ability has a lot in common with Hip Shooting. It's a little unclear, does Move and Shoot allow a Desperado to make any Move Action? for instance a Run or Charge action and still make a Standard Attack Action?
---------- Forwarded message ----------
From: Dark Heresy Beta <[email protected]>
Date: Sun, Jan 5, 2014 at 10:11 AM
Subject: Re: Beta First Impressions