I see your problem in ONE area.
You view your stories as "arcs", meaning they have a begining, a middle, and an end.
That practice of storytelling has gone on far too long in comics to the point that readers, such as yourself, are dissatisfied when an ending doesn't really have an ending.
Myself, I read comics in the 70's when the stories were really "never-ending", and while I haven't read a current comic that has that vibe to it, I like to see it now. It's also a good marketing ploy because you're always striving to get the readers to come back. And while current storylines come to an end, sub-plots (that have woven throughout said current storyline) then becomes a major story, and continues to attract the reader to the "next issue".
The only problem with the BiB storyline is that it was labelled "parts 1 of 5, 2 of 5, etc..." when it should have simply been called the "Back In Black" story.
Withouth the numbering, the fans will always be wondering when the stories going to end, and never have that "dissappointed" feel...
I have always hated the "arc" format. It's lazy storytelling.
Just my two cents...