About a year and a half ago an official Apollo book was given the greenlight (see this link: http://www.comicvine.com/apollo/29-2197/apollo-get-his-own-book/92-22622/). It was going to be written by Doug Wagner and illustrated by Cully Hamner (who actually did the art for the The Break posted above). I doubt it would have gone for 20 issues, ala the Midnighter series, but it probably would have gotten at least a 6 issue run like when Jack Hawksmoor got his own title.
Unfortunately, the book got canceled before work was started, which sucks something awful because 1. I love Cully Hamner's artwork and 2. I love Apollo and he tends to only function as the person who gets hurt so Midnighter will get properly riled up. He always shows a glimmer of being a fun character, and fandom has done loads of great things with him, but actual canon writers just seem lost in that regard.