I can imagine a never ending supply of new cases each week for Saul.
Saul plus you keep some of the characters and other drop in every few weeks or so.
If I was near Albuquerque I would get on a tour to see the spots where Breaking Bad takes place. The Dog House made a re-appearance last week or the week before
Tuco was my favorite character played by Raymond Cruz. http://blogs.amctv.com/breaking-bad/2009/03/raymond-cruz-interview/ My favorite season was #1 and the beginning of season #2. Though I have watched and liked them all.
I could not stand Gus, too slimy, sneaky and gay