I thought the last batch of "Tales" was the weakest of the bunch, but overall have mostly enjoyed these.
I'd prefer that they focus in on a little more of the core supporting characters in the lore (didn't really care for Mogan's backstory and thought it was a bit uninteresting).
The Ventress one looks a little more interesting as it appears to have something of a redemption story, but I'll be honest that I really don't have much of an interest in the backstory of Cad Bane. I'm hopeful its well done either way.