Just finished Dan Abnett's Inquisitor series, now looking for some recommendations on what to read next.

As the title says, I've just finished the Inquisitor series today, at least until the third Bequin novel is released, and I'm unsure what to read next. I've got a few of the Ciaphas Cain books that I'm considering, and I have Gaunt's ghosts in line as well. Are there any others any of you would recommend? I've heard that the night lords omnibus is quite good. I'd also like to read more BL novels focusing on the AdMech so probably The Great Work should enter the lineup as well. Any recommendations are appreciated, thanks.